{"title":"Pipe, Tubing, Hose \u0026 Fittings • Pipe Fittings • Connectors • Duct Reducers","description":"","products":[{"product_id":"p-1306848","title":"Duct Reducer Connector, Heating Cooling Ventilation Tube Fire-resistant Increaser Adapter Pipe Fitting for Vent Systems","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor:\u003cbr\u003eMaterial:\u003cbr\u003eInner Diameter:\u003cbr\u003eSize:\u003cbr\u003ePacking List:  x Duct Pipe Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"1pcs \/ 3\" To 6\"","offer_id":43434233954553,"sku":"a22082200ux1136","price":18.16,"currency_code":"USD","in_stock":true},{"title":"1pcs \/ 4\" To 6\"","offer_id":43434233987321,"sku":"a22082200ux1137","price":15.54,"currency_code":"USD","in_stock":true},{"title":"1pcs \/ 4\" To 8\"","offer_id":43434234020089,"sku":"a22082200ux1138","price":22.65,"currency_code":"USD","in_stock":true},{"title":"1pcs \/ 6\" To 10\"","offer_id":43434233921785,"sku":"a22082200ux1140","price":30.84,"currency_code":"USD","in_stock":true},{"title":"1pcs \/ 6\" To 8\"","offer_id":43434234085625,"sku":"a22082200ux1139","price":19.92,"currency_code":"USD","in_stock":true},{"title":"1pcs \/ 8\" To 10\"","offer_id":43434233889017,"sku":"a22082200ux1141","price":26.56,"currency_code":"USD","in_stock":true},{"title":"1pcs \/ 8\" To 12\"","offer_id":43434234052857,"sku":"a22082200ux1142","price":50.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/products\/ux_a22082200ux1141_ux_g03_623736c5-0980-443f-a25b-b332b324cddc.jpg?v=1666346213"},{"product_id":"p-1341012","title":"7\" to 4.5\" Duct Reducer, ABS Ducting Airflow Tube Increaser Adapter Pipe Fitting for HVAC Heating Cooling Air Ventilation Systems","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 110 mm \/ 4.33 inch\u003cbr\u003eInner Diameter: 173 x 110 mm \/ 6.81 x 4.33 inch (Big*Small)\u003cbr\u003eOuter Diameter: 178 x 115 mm \/ 7.01 x 4.53 inch (Big*Small)\u003cbr\u003ePacking List: 1 x Duct Pipe Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":43602942591225,"sku":"a22090300ux0529","price":20.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22090300ux0529_ux_g03.jpg?v=1745369343"},{"product_id":"p-1341014","title":"4\" to 3\" Duct Reducer, 3 Pack ABS Ducting Airflow Tube Increaser Adapter Pipe Fitting for HVAC Heating Cooling Air Ventilation Systems","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 80 mm \/ 3.15 inch\u003cbr\u003eInner Diameter: 100 x 75 mm \/ 3.94 x 2.95 inch (Big*Small)\u003cbr\u003eOuter Diameter: 103 x 78 mm \/ 4.06 x 3.07 inch (Big*Small)\u003cbr\u003ePacking List: 3 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":43602944033017,"sku":"a22090300ux0519","price":16.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22090300ux0519_ux_g03.jpg?v=1748079828"},{"product_id":"p-1341016","title":"2Pcs 4\" to 3\" Duct Reducer Ducting Airflow Tube Increaser Adapter Pipe Fitting","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 80 mm \/ 3.15 inch\u003cbr\u003eInner Diameter: 100 x 75 mm \/ 3.94 x 2.95 inch (Big*Small)\u003cbr\u003eOuter Diameter: 103 x 78 mm \/ 4.06 x 3.07 inch (Big*Small)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":43602944229625,"sku":"a22090300ux0518","price":12.57,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22090300ux0518_ux_g03.jpg?v=1769590618"},{"product_id":"p-1341018","title":"2Pcs 7\" to 4.3\" Duct Reducer Ducting Airflow Tube Increaser Adapter Pipe Fitting","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 110 mm \/ 4.33 inch\u003cbr\u003eInner Diameter: 173 x 110 mm \/ 6.81 x 4.33 inch (Big*Small)\u003cbr\u003eOuter Diameter: 178 x 115 mm \/ 7.01 x 4.53 inch (Big*Small)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":43602944327929,"sku":"a22090300ux0530","price":24.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22090300ux0530_ux_g03.jpg?v=1769598980"},{"product_id":"p-1341019","title":"2Pcs 6\" to 4\" Duct Reducer Ducting Airflow Tube Increaser Adapter Pipe Fitting","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 110 mm \/ 4.33 inch\u003cbr\u003eInner Diameter: 150 x 94 mm \/ 5.91 x 3.7 inch (Big*Small)\u003cbr\u003eOuter Diameter: 155 x 97 mm \/ 6.1 x 3.82 inch (Big*Small)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":43602944393465,"sku":"a22090300ux0525","price":21.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22090300ux0525_ux_g03.jpg?v=1769598963"},{"product_id":"p-1341021","title":"2Pcs 8\" to 6\" Duct Reducer Ducting Airflow Tube Increaser Adapter Pipe Fitting","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 113 mm \/ 4.45 inch\u003cbr\u003eInner Diameter: 200 x 144 mm \/ 7.87 x 5.67 inch (Big*Small)\u003cbr\u003eOuter Diameter: 205 x 147 mm \/ 8.07 x 5.79 inch (Big*Small)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":43602944459001,"sku":"a22090300ux0532","price":31.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22090300ux0532_ux_g03.jpg?v=1776688797"},{"product_id":"p-1341022","title":"2Pcs 7\" to 6.5\" Duct Reducer Ducting Airflow Tube Increaser Adapter Pipe Fitting","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 110 mm \/ 4.33 inch\u003cbr\u003eInner Diameter: 172 x 160 mm \/ 6.77 x 6.3 inch (Big*Small)\u003cbr\u003eOuter Diameter: 176 x 164 mm \/ 6.93 x 6.46 inch (Big*Small)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":43602944590073,"sku":"a22090300ux0528","price":25.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22090300ux0528_ux_g03.jpg?v=1776690132"},{"product_id":"p-1341023","title":"7\" to 6\" Duct Reducer, ABS Ducting Airflow Tube Increaser Adapter Pipe Fitting for HVAC Heating Cooling Air Ventilation Systems","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 110 mm \/ 4.33 inch\u003cbr\u003eInner Diameter: 172 x 160 mm \/ 6.77 x 6.3 inch (Big*Small)\u003cbr\u003eOuter Diameter: 176 x 164 mm \/ 6.93 x 6.46 inch (Big*Small)\u003cbr\u003ePacking List: 1 x Duct Pipe Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":43602944721145,"sku":"a22090300ux0527","price":20.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22090300ux0527_ux_d02.jpg?v=1706201401"},{"product_id":"p-1341024","title":"6\" to 4\" Duct Reducer, 3 Pack ABS Ducting Airflow Tube Increaser Adapter Pipe Fitting for HVAC Heating Cooling Air Ventilation Systems","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 110 mm \/ 4.33 inch\u003cbr\u003eInner Diameter: 150 x 94 mm \/ 5.91 x 3.7 inch (Big*Small)\u003cbr\u003eOuter Diameter: 155 x 97 mm \/ 6.1 x 3.82 inch (Big*Small)\u003cbr\u003ePacking List: 3 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":43602944819449,"sku":"a22090300ux0526","price":25.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22090300ux0526_ux_g03.jpg?v=1736612160"},{"product_id":"p-1341025","title":"8\" to 6\" Duct Reducer, ABS Ducting Airflow Tube Increaser Adapter Pipe Fitting for HVAC Heating Cooling Air Ventilation Systems","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 113 mm \/ 4.45 inch\u003cbr\u003eInner Diameter: 200 x 144 mm \/ 7.87 x 5.67 inch (Big*Small)\u003cbr\u003eOuter Diameter: 205 x 147 mm \/ 8.07 x 5.79 inch (Big*Small)\u003cbr\u003ePacking List: 1 x Duct Pipe Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":43602944884985,"sku":"a22090300ux0531","price":22.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22090300ux0531_ux_g03.jpg?v=1748047502"},{"product_id":"p-1385835","title":"6\" to 4\" Duct Reducer Connector, 2pcs Heating Cooling Ventilation Fire-resistant Increaser Adapter Pipe Fitting for Vent System, Beige 160x110 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Beige\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 160 x 110 mm \/ 6.3 x 4.33 inch (Big*Small)\u003cbr\u003eSize: 92 x 4 mm \/ 3.62 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959117992185,"sku":"a23032400ux0004","price":20.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0004_ux_g03.jpg?v=1761143153"},{"product_id":"p-1385837","title":"12\" to 8\" Duct Reducer Connector, 2pcs Heating Cooling Ventilation Fire-resistant Increaser Adapter Pipe Fitting for Vent System, Beige 315x200 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Beige\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 315 x 200 mm \/ 12.4 x 7.87 inch (Big*Small)\u003cbr\u003eSize: 150 x 4 mm \/ 5.91 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959118319865,"sku":"a23032400ux0009","price":64.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0009_ux_g03.jpg?v=1777649690"},{"product_id":"p-1385839","title":"10\" to 8\" Duct Reducer Connector, 2pcs Heating Cooling Ventilation Fire-resistant Increaser Adapter Pipe Fitting for Vent System, Beige 250x200 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Beige\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 250 x 200 mm \/ 9.84 x 7.87 inch (Big*Small)\u003cbr\u003eSize: 92 x 4 mm \/ 3.62 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959118647545,"sku":"a23032400ux0008","price":34.82,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0008_ux_g03.jpg?v=1761143186"},{"product_id":"p-1385840","title":"8\" to 4\" Duct Reducer Connector, 2pcs Heating Cooling Ventilation Fire-resistant Increaser Adapter Pipe Fitting for Vent System, Beige 200x110 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Beige\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 200 x 110 mm \/ 7.87 x 4.33 inch (Big*Small)\u003cbr\u003eSize: 128 x 4 mm \/ 5.04 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959118778617,"sku":"a23032400ux0005","price":29.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0005_ux_g03.jpg?v=1777141915"},{"product_id":"p-1385841","title":"12\" to 10\" Duct Reducer Connector Ventilation Tube Increaser Adapter Beige","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Beige\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 315 x 250 mm \/ 12.4 x 9.84 inch (Big*Small)\u003cbr\u003eSize: 105 x 4 mm \/ 4.13 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 1 x Duct Pipe Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959119237369,"sku":"a23032400ux0010","price":41.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0010_ux_g03.jpg?v=1777147642"},{"product_id":"p-1385842","title":"2Pcs 10\" to 6\" Duct Reducer Connector Ventilation Tube Increaser Adapter Beige","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Beige\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 250 x 160 mm \/ 9.84 x 6.3 inch (Big*Small)\u003cbr\u003eSize: 128 x 4 mm \/ 5.04 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959119728889,"sku":"a23032400ux0007","price":41.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0007_ux_g03.jpg?v=1776690312"},{"product_id":"p-1385843","title":"6\" to 4\" Duct Reducer Connector, 2pcs Heating Cooling Ventilation Fire-resistant Increaser Adapter Pipe Fitting for Vent System, Grey 160x110 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Grey\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 160 x 110 mm \/ 6.3 x 4.33 inch (Big*Small)\u003cbr\u003eSize: 92 x 4 mm \/ 3.62 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959119859961,"sku":"a23032400ux0014","price":20.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0014_ux_g03.jpg?v=1761143230"},{"product_id":"p-1385844","title":"4\" to 3.5\" Duct Reducer Connector, Heating Cooling Ventilation Tube Fire-resistant Increaser Adapter Pipe Fitting for Vent System, Grey 110x 90 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Grey\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 110 x 90 mm \/ 4.33 x 3.54 inch (Big*Small)\u003cbr\u003eSize: 86 x 4 mm \/ 3.39 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 1 x Duct Pipe Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959120220409,"sku":"a23032400ux0011","price":10.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0011_ux_g03.jpg?v=1777649677"},{"product_id":"p-1385845","title":"8\" to 6.3\" Duct Reducer Connector, 2pcs Heating Cooling Ventilation Fire-resistant Increaser Adapter Pipe Fitting for Vent System, Beige 200x160 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Beige\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 200 x 160 mm \/ 7.87 x 6.3 inch (Big*Small)\u003cbr\u003eSize: 85 x 4 mm \/ 3.35 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959120318713,"sku":"a23032400ux0006","price":23.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0006_ux_g03.jpg?v=1761143253"},{"product_id":"p-1385847","title":"8\" to 4\" Duct Reducer Connector, Heating Cooling Ventilation Tube Fire-resistant Increaser Adapter Pipe Fitting for Vent System, Grey 200x110 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Grey\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 200 x 110 mm \/ 7.87 x 4.33 inch (Big*Small)\u003cbr\u003eSize: 128 x 4 mm \/ 5.04 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 1 x Duct Pipe Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959120679161,"sku":"a23032400ux0015","price":23.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0015_ux_g03.jpg?v=1774801242"},{"product_id":"p-1385848","title":"8\" to 4\" Duct Reducer Connector, 2 Pack Heating Cooling Ventilation Tube Fire-resistant Increaser Adapter Pipe Fitting for Vent, Grey 200x110 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Grey\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 200 x 110 mm \/ 7.87 x 4.33 inch (Big*Small)\u003cbr\u003eSize: 128 x 4 mm \/ 5.04 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959120875769,"sku":"a23032400ux0016","price":29.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0016_ux_g03.jpg?v=1774801254"},{"product_id":"p-1385849","title":"10\" to 6\" Duct Reducer Connector Ventilation Tube Increaser Adapter Grey","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Grey\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 250 x 160 mm \/ 9.84 x 6.3 inch (Big*Small)\u003cbr\u003eSize: 128 x 4 mm \/ 5.04 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 1 x Duct Pipe Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959121170681,"sku":"a23032400ux0019","price":32.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0019_ux_g03.jpg?v=1776986731"},{"product_id":"p-1385850","title":"2Pcs 8\" to 6\" Duct Reducer Connector Ventilation Tube Increaser Adapter Grey","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Grey\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 200 x 160 mm \/ 7.87 x 6.3 inch (Big*Small)\u003cbr\u003eSize: 85 x 4 mm \/ 3.35 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959121334521,"sku":"a23032400ux0018","price":24.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0018_ux_g03.jpg?v=1775354311"},{"product_id":"p-1385851","title":"8\" to 6\" Duct Reducer Connector, Heating Cooling Ventilation Tube Fire-resistant Increaser Adapter Pipe Fitting for Vent System, Grey 200x160 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Grey\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 200 x 160 mm \/ 7.87 x 6.3 inch (Big*Small)\u003cbr\u003eSize: 85 x 4 mm \/ 3.35 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 1 x Duct Pipe Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959121465593,"sku":"a23032400ux0017","price":18.64,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0017_ux_g03.jpg?v=1761143319"},{"product_id":"p-1385852","title":"10\" to 6\" Duct Reducer Connector, 2pcs Heating Cooling Ventilation Fire-resistant Increaser Adapter Pipe Fitting for Vent System, Grey 250x160 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Grey\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 250 x 160 mm \/ 9.84 x 6.3 inch (Big*Small)\u003cbr\u003eSize: 128 x 4 mm \/ 5.04 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959121629433,"sku":"a23032400ux0020","price":41.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0020_ux_g03.jpg?v=1761143330"},{"product_id":"p-1385853","title":"10\" to 8\" Duct Reducer Connector, Heating Cooling Ventilation Tube Fire-resistant Increaser Adapter Pipe Fitting for Vent System, Grey 250x200 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Grey\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 250 x 200 mm \/ 9.84 x 7.87 inch (Big*Small)\u003cbr\u003eSize: 92 x 4 mm \/ 3.62 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 1 x Duct Pipe Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959121727737,"sku":"a23032400ux0021","price":26.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0021_ux_g03.jpg?v=1777578063"},{"product_id":"p-1385854","title":"12\" to 8\" Duct Reducer Connector, Heating Cooling Ventilation Tube Fire-resistant Increaser Adapter Pipe Fitting for Vent System, Grey 315x200 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Grey\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 315 x 200 mm \/ 12.4 x 7.87 inch (Big*Small)\u003cbr\u003eSize: 150 x 4 mm \/ 5.91 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 1 x Duct Pipe Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959121891577,"sku":"a23032400ux0023","price":51.56,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0023_ux_g03.jpg?v=1777147655"},{"product_id":"p-1385855","title":"10\" to 8\" Duct Reducer Connector, 2pcs Heating Cooling Ventilation Fire-resistant Increaser Adapter Pipe Fitting for Vent System, Grey 250x200 mm ID","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: Grey\u003cbr\u003eMaterial: PP\u003cbr\u003eInner Diameter: 250 x 200 mm \/ 9.84 x 7.87 inch (Big*Small)\u003cbr\u003eSize: 92 x 4 mm \/ 3.62 x 0.16 inch (H*T)\u003cbr\u003ePacking List: 2 x Duct Pipe Reducer Connectors\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable PP material, lightweight, waterproof, moisture resistant and wear-resistant, fire-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The reducer design can make the ventilation more smooth within two different size of the pipes, allowing you to lengthen and extend your ducting and meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs and note that they can be used in the temperature range of - 10 to 70 .\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959122186489,"sku":"a23032400ux0022","price":35.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23032400ux0022_ux_g03.jpg?v=1776987022"},{"product_id":"p-1411756","title":"Duct Splitter, Y Reducer Connector Air Vent Duct Hose Exhaust Pipe Adapter with Flange for Dryer Exhaust Fan Vent Systems HVAC","description":"This duct pipe connector can connect ventilation pipes of different sizes to separate the air supply, return or discharge in rooms or other types of spaces, which is useful for connecting the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system. Suitable in home, offices, kitchen or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor:\u003cbr\u003eMaterial:\u003cbr\u003eTotal Size:\u003cbr\u003eOuter Diameter of Interface:\u003cbr\u003eFlange Center Hole Distance:\u003cbr\u003eFlange Size:\u003cbr\u003ePacking List:  x Duct Splitter with Flange\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable plastic material, lightweight, waterproof, heat-resisting and wear-resistant, pressure resistance and easy to store, not easy to deform, can be used for a long time;\u003cbr\u003e2. The inner wall of the pipe connector is smooth, which can greatly reduce the wind resistance and improve the ventilation efficiency;\u003cbr\u003e3. The duct splitter comes with duct flange, so it can be connected to vent system directly with the flange.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, connect the ends of the connector to vent hoses with appropriate size and fix with pipe clamp, then seal with tape if necessary.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Black \/ 3\"x3\"x4\"","offer_id":46959125954809,"sku":"a22083100ux1511","price":24.03,"currency_code":"USD","in_stock":true},{"title":"Black \/ 4\"x4\"x6\"","offer_id":46959125922041,"sku":"a22083100ux1513","price":39.49,"currency_code":"USD","in_stock":true},{"title":"Grey \/ 3\"x3\"x4\"","offer_id":46959125889273,"sku":"a22083100ux1512","price":23.97,"currency_code":"USD","in_stock":true},{"title":"Grey \/ 4\"x4\"x6\"","offer_id":46959125856505,"sku":"a22083100ux1514","price":38.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a22083100ux1514_ux_g03.jpg?v=1761143399"},{"product_id":"p-1423234","title":"3 Way Duct Splitter Reducer, Y Fitting Air Vent Duct Connector Hose Exhaust Pipe Adapter for HVAC Dryer Exhaust Fan Vent Systems","description":"This 3 way duct pipe connector is a three-hole connector with two branches, which can separate the air supply, return or discharge in two rooms or other types of spaces. It is very useful for connecting the pipes of bathroom fans, range hoods, dryers and dust collectors to the ventilation duct system. Suitable for home, office, kitchen, factory or apartment.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: \u003cbr\u003eMaterial: \u003cbr\u003eTotal Size: \u003cbr\u003eOuter Diameter of Interface: \u003cbr\u003ePacking List:  x 3 Way Duct Splitter\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable plastic material, sturdy, waterproof, heat-resisting, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. The inner wall of the pipe connector is smooth, which can greatly reduce the wind resistance and improve the ventilation efficiency;\u003cbr\u003e3. With flat and seamless design, which can achieve good leak proof effect.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, connect the three ends of the connector to vent hoses with appropriate size and fix with pipe clamp, then seal with tape if necessary.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"4\" to 3\"","offer_id":46959127298297,"sku":"a23040400ux0525","price":17.76,"currency_code":"USD","in_stock":true},{"title":"6\" to 4\"","offer_id":46959127265529,"sku":"a23040400ux0524","price":25.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23040400ux0524_ux_g03.jpg?v=1761143499"},{"product_id":"p-1481876","title":"6\" to 4.5\" Duct Reducer, Duct Connector Ducting Inline Adapter Increaser ABS Plastic Vent for HVAC Heating Cooling Air Ventilation (150-110mm)","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 115 mm \/ 4.53 inch\u003cbr\u003eInner Diameter: 150 x 110 mm \/ 6 x 4.3 inch (Big*Small)\u003cbr\u003eOuter Diameter: 155 x 114 mm \/ 6.1 x 4.49 inch (Big*Small)\u003cbr\u003ePacking List: 1 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959134146809,"sku":"a23111200ux0156","price":15.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0156_ux_g03.jpg?v=1761143704"},{"product_id":"p-1481877","title":"4\" to 3\" Duct Reducer, Duct Connector Ducting Inline Adapter Increaser ABS Plastic Vent for HVAC Heating Cooling Air Ventilation","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 80 mm \/ 3.15 inch\u003cbr\u003eInner Diameter: 100 x 75 mm \/ 4 x 3 inch (Big*Small)\u003cbr\u003eOuter Diameter: 103 x 78 mm \/ 4.1 x 3.07 inch (Big*Small)\u003cbr\u003ePacking List: 1 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959134245113,"sku":"a23111200ux0153","price":8.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0153_ux_g03.jpg?v=1761143716"},{"product_id":"p-1481878","title":"4\" to 3\" Duct Reducer, 4 Pack Duct Connector Ducting Inline Adapter Increaser ABS Plastic Vent for HVAC Heating Cooling Air Ventilation","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 80 mm \/ 3.15 inch\u003cbr\u003eInner Diameter: 100 x 75 mm \/ 4 x 3 inch (Big*Small)\u003cbr\u003eOuter Diameter: 103 x 78 mm \/ 4.1 x 3.07 inch (Big*Small)\u003cbr\u003ePacking List: 4 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959134671097,"sku":"a23111200ux0154","price":15.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0154_ux_g03.jpg?v=1761143726"},{"product_id":"p-1481879","title":"4.5\" to 3\" Duct Reducer, 2 Pack Duct Connector Ducting Inline Adapter Increaser ABS Plastic Vent for HVAC Heating Cooling Air Ventilation (110-75mm)","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 170 mm \/ 6.69 inch\u003cbr\u003eInner Diameter: 110 x 75 mm \/ 4.3 x 3 inch (Big*Small)\u003cbr\u003eOuter Diameter: 120 x 80 mm \/ 4.7 x 3.15 inch (Big*Small)\u003cbr\u003ePacking List: 2 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959134769401,"sku":"a23111200ux0158","price":20.21,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0158_ux_g03.jpg?v=1761143737"},{"product_id":"p-1481880","title":"4.3\" to 3\" Duct Reducer Duct Connector Ducting Inline Adapter Increaser","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 170 mm \/ 6.69 inch\u003cbr\u003eInner Diameter: 110 x 75 mm \/ 4.3 x 3 inch (Big*Small)\u003cbr\u003eOuter Diameter: 120 x 80 mm \/ 4.7 x 3.15 inch (Big*Small)\u003cbr\u003ePacking List: 1 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959135228153,"sku":"a23111200ux0157","price":15.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0157_ux_g03.jpg?v=1776689181"},{"product_id":"p-1481882","title":"7\" to 4.5\" Duct Reducer, Duct Connector Ducting Inline Adapter Increaser ABS Plastic Vent for HVAC Heating Cooling Air Ventilation (160-110mm)","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 170 mm \/ 6.69 inch\u003cbr\u003eInner Diameter: 160 x 110 mm \/ 6.3 x 4.3 inch (Big*Small)\u003cbr\u003eOuter Diameter: 170 x 115 mm \/ 6.7 x 4.53 inch (Big*Small)\u003cbr\u003ePacking List: 1 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959135326457,"sku":"a23111200ux0159","price":21.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0159_ux_g03.jpg?v=1761143757"},{"product_id":"p-1481883","title":"3.5\" to 2\" Duct Reducer Duct Connector Ducting Inline Adapter Increaser","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 97 mm \/ 3.82 inch\u003cbr\u003eInner Diameter: 90 x 50 mm \/ 3.5 x 2 inch (Big*Small)\u003cbr\u003eOuter Diameter: 100 x 56 mm \/ 3.9 x 2.2 inch (Big*Small)\u003cbr\u003ePacking List: 1 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959135457529,"sku":"a23111200ux0165","price":11.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0165_ux_g03_8ebe03b9-bc2c-4296-9c13-8bd777188534.jpg?v=1776689108"},{"product_id":"p-1481884","title":"6\" to 4.3\"\/3.5\" Duct Reducer 2pc Duct Connector Ducting Inline Adapter Increaser","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 130 mm \/ 5.12 inch\u003cbr\u003eInner Diameter: 150 x 110 x 89 mm \/ 6 x 4.3 x 3.5 inch (Big*Small*Most Small)\u003cbr\u003eOuter Diameter: 154 x 114 x 92 mm \/ 6.1 x 4.5 x 3.62 inch (Big*Small*Most Small)\u003cbr\u003ePacking List: 2 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959135850745,"sku":"a23111200ux0163","price":24.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0163_ux_g03.jpg?v=1776687764"},{"product_id":"p-1481885","title":"6\" to 4\" Duct Reducer, Duct Connector Ducting Inline Adapter Increaser ABS Plastic Vent for HVAC Heating Cooling Air Ventilation (150-100mm)","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 115 mm \/ 4.53 inch\u003cbr\u003eInner Diameter: 150 x 93 mm \/ 6 x 3.7 inch (Big*Small)\u003cbr\u003eOuter Diameter: 155 x 98 mm \/ 6.1 x 3.86 inch (Big*Small)\u003cbr\u003ePacking List: 1 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959136014585,"sku":"a23111200ux0155","price":15.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0155_ux_g03.jpg?v=1761143788"},{"product_id":"p-1481887","title":"4.5\" to 2\" Duct Reducer, Duct Connector Ducting Inline Adapter Increaser ABS Plastic Vent for HVAC Heating Cooling Air Ventilation(110-50mm)","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 105 mm \/ 4.13 inch\u003cbr\u003eInner Diameter: 110 x 50 mm \/ 4.3 x 2 inch (Big*Small)\u003cbr\u003eOuter Diameter: 120 x 56 mm \/ 4.7 x 2.2 inch (Big*Small)\u003cbr\u003ePacking List: 1 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959136342265,"sku":"a23111200ux0164","price":12.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0164_ux_g03.jpg?v=1761143799"},{"product_id":"p-1481888","title":"6\" to 4.5\"\/4\" Duct Reducer, Duct Connector Ducting Inline Adapter Increaser ABS Plastic Vent for HVAC Heating Cooling Air Ventilation (150-110\/100mm)","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory or apartments.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 130 mm \/ 5.12 inch\u003cbr\u003eInner Diameter: 150 x 110 x 89 mm \/ 6 x 4.3 x 3.5 inch (Big*Small*Most Small)\u003cbr\u003eOuter Diameter: 154 x 114 x 92 mm \/ 6.1 x 4.5 x 3.62 inch (Big*Small*Most Small)\u003cbr\u003ePacking List: 1 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear-resistant and pressure resistance, not easy to deform, can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959136440569,"sku":"a23111200ux0162","price":16.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0162_ux_g03.jpg?v=1761143810"},{"product_id":"p-1481889","title":"6.5\" to 6\" to 4\" Duct Reducer, 2 Pack Duct Connector Ducting Inline Adapter Increaser ABS Plastic Vent for HVAC Heating Cooling Air Ventilation","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods, and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory, or apartment.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 111 mm \/ 4.37 inch\u003cbr\u003eInner Diameter: 160 x 144 x 92 mm \/ 6.3 x 6 x 4 inch (Big*Medium*Small)\u003cbr\u003eOuter Diameter: 164 x 148 x 96 mm \/ 6.5 x 6 x 4 inch (Big*Medium*Small)\u003cbr\u003ePacking List: 2 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear resistant and pressure resistance, not easy to deform, and can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003eThe duct reducer we have is a three layered one, with a cutting slot reserved. It can be cut according to your specific situation and needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003ehigh quality","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959136571641,"sku":"a23111200ux0173","price":22.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0173_ux_g03.jpg?v=1761143820"},{"product_id":"p-1481890","title":"2pcs 3\" to 8\" Duct Reducer Duct Connector Ducting Inline Adapter Increaser","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods, and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory, or apartment.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 255 mm \/ 10.03 inch\u003cbr\u003eOuter Diameter: 78mm, 98mm, 106mm, 117mm, 127mm, 137mm, 146mm, 157mm, 167mm, 178mm, 198mm (3.07\", 3.85\", 4.17\", 4.6\", 5\",  5.4\", 5.75\", 6.2\", 6.58\", 7.01\", 7.8\")\u003cbr\u003ePacking List: 2 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear resistant and pressure resistance, not easy to deform, and can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003eThe duct reducer we have is an 11 layered one, with cutting slots reserved. It can be cut according to your specific situation and needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959136735481,"sku":"a23111200ux0175","price":38.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0175_ux_g03.jpg?v=1776690587"},{"product_id":"p-1481892","title":"6.5\" to 6\" to 4.6\" Duct Reducer, Duct Connector Ducting Inline Adapter Increaser ABS Plastic Vent for HVAC Heating Cooling Air Ventilation","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods, and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory, or apartment.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 111 mm \/ 4.37 inch\u003cbr\u003eInner Diameter: 160 x 144 x 114 mm \/ 6.3 x 6 x 4.5 inch (Big*Medium*Small)\u003cbr\u003eOuter Diameter: 164 x 148 x 118 mm \/ 6.5 x 6 x 4.6 inch (Big*Medium*Small)\u003cbr\u003ePacking List: 1 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear resistant and pressure resistance, not easy to deform, and can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003eThe duct reducer we have is a three layered one, with a cutting slot reserved. It can be cut according to your specific situation and needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959141060857,"sku":"a23111200ux0168","price":16.06,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0168_ux_g03.jpg?v=1761143851"},{"product_id":"p-1481893","title":"4.5\" to 4\" to 3\" Duct Reducer, 2 Pack Duct Connector Ducting Inline Adapter Increaser ABS Plastic Vent for HVAC Heating Cooling Air Ventilation","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods, and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory, or apartment.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 105 mm \/ 4.13 inch\u003cbr\u003eInner Diameter: 110 x 94 x 74 mm \/ 4.3 x 4 x 3 inch (Big*Medium*Small)\u003cbr\u003eOuter Diameter: 114 x 98 x 78 mm \/ 4.5 x 4 x 3 inch (Big*Medium*Small)\u003cbr\u003ePacking List: 2 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear resistant and pressure resistance, not easy to deform, and can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003eThe duct reducer we have is a three layered one, with a cutting slot reserved. It can be cut according to your specific situation and needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959141585145,"sku":"a23111200ux0167","price":13.84,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0167_ux_g03.jpg?v=1761143862"},{"product_id":"p-1481895","title":"8\" to 3\" Duct Reducer, Duct Connector Ducting Inline Adapter Increaser ABS Plastic Vent for HVAC Heating Cooling Air Ventilation (200-80mm)","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods, and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory, or apartment.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 255 mm \/ 10.03 inch\u003cbr\u003eOuter Diameter: 78mm, 98mm, 106mm, 117mm, 127mm, 137mm, 146mm, 157mm, 167mm, 178mm, 198mm (3.07\", 3.85\", 4.17\", 4.6\", 5\",  5.4\", 5.75\", 6.2\", 6.58\", 7.01\", 7.8\")\u003cbr\u003ePacking List: 1 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear resistant and pressure resistance, not easy to deform, and can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003eThe duct reducer we have is an 11 layered one, with cutting slots reserved. It can be cut according to your specific situation and needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959142371577,"sku":"a23111200ux0174","price":35.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0174_ux_g03.jpg?v=1761143882"},{"product_id":"p-1481897","title":"4.5\" to 4\" to 3\" Duct Reducer, Duct Connector Ducting Inline Adapter Increaser ABS Plastic Vent for HVAC Heating Cooling Air Ventilation","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods, and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory, or apartment.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 105 mm \/ 4.13 inch\u003cbr\u003eInner Diameter: 110 x 94 x 74 mm \/ 4.3 x 4 x 3 inch (Big*Medium*Small)\u003cbr\u003eOuter Diameter: 114 x 98 x 78 mm \/ 4.5 x 4 x 3 inch (Big*Medium*Small)\u003cbr\u003ePacking List: 1 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear resistant and pressure resistance, not easy to deform, and can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003eThe duct reducer we have is a three layered one, with a cutting slot reserved. It can be cut according to your specific situation and needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959143059705,"sku":"a23111200ux0166","price":10.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0166_ux_g03.jpg?v=1761143902"},{"product_id":"p-1481898","title":"6.5\" to 6\" to 4.6\" Duct Reducer 2pcs Duct Connector Ducting Inline Adapter","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods, and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, offices, kitchen, factory, or apartment.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight: 111 mm \/ 4.37 inch\u003cbr\u003eInner Diameter: 160 x 144 x 114 mm \/ 6.3 x 6 x 4.5 inch (Big*Medium*Small)\u003cbr\u003eOuter Diameter: 164 x 148 x 118 mm \/ 6.5 x 6 x 4.6 inch (Big*Medium*Small)\u003cbr\u003ePacking List: 2 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear resistant and pressure resistance, not easy to deform, and can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003eThe duct reducer we have is a three layered one, with a cutting slot reserved. It can be cut according to your specific situation and needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959143190777,"sku":"a23111200ux0169","price":21.24,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0169_ux_g03.jpg?v=1776687283"},{"product_id":"p-1481899","title":"3.2\" to 4.7\" Duct Reducer, Duct Connector Ducting Inline Adapter Increaser","description":"This duct pipe reducer connector is used to connect the pipes of equipment such as bathroom fans, range hoods, and dust collectors to the ventilation duct system, you can connect two air ducts of different diameters to create a seamless ventilation system duct. Suitable in home, office, kitchen, factory, or apartment.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003cbr\u003eColor: White\u003cbr\u003eMaterial: ABS\u003cbr\u003eHeight:110 mm \/ 4.33 inch\u003cbr\u003eOuter Diameter: 80mm, 100mm, 110mm, 120mm (3.2\", 3.9\", 4.3\", 4.7\")\u003cbr\u003ePacking List: 1 x Duct Reducer Connector\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eAdvantage\u003c\/strong\u003e\u003cbr\u003e1. Make of durable ABS material, lightweight, waterproof, moisture resistant, wear resistant and pressure resistance, not easy to deform, and can be used for a long time;\u003cbr\u003e2. Smooth interior surface design can reduce the resistance of ventilation; The interface can be connected to two different sizes of pipe, which has a good sealing effect, meeting your various DIY pipe decoration needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eInstruction\u003c\/strong\u003e\u003cbr\u003eEasy to install, just connect the two ends of the connector with pipes of appropriate size.\u003cbr\u003eThe duct reducer we have is a 4 layered one, with cutting slots reserved. It can be cut according to your specific situation and needs.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNOTE: Please choose the right size according to your needs.\u003c\/strong\u003e","brand":"Harfington","offers":[{"title":"Default Title","offer_id":46959143518457,"sku":"a23111200ux0178","price":10.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/files\/ux_a23111200ux0178_ux_g03.jpg?v=1776688009"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/2477\/6095\/collections\/MRO64c38d361001a3XTci7EwwFPArYLXHrPBwrHH.jpg?v=1697595832","url":"https:\/\/www.harfington.com\/en-de\/collections\/duct-reducers-c-301333.oembed","provider":"Harfington","version":"1.0","type":"link"}