4 Inch Duct Connector Flange, 2 Pack Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System
-
20%OFFOrder $5000+
-
15%OFFOrder $2000+
-
10%OFFOrder $800+
-
7%OFFOrder $500+
-
5%OFFOrder $200+
- Interface Outer Diameter: 94 mm / 3.7 inch; Diagonal Mounting Hole Distance: 123 mm / 4.8 inch; Distance Between Adjacent Mounting Holes: 60 mm / 2.4 inch; Base Outer Diameter: 133 mm / 5.2 inch; Color: Grey; Material: Galvanized Iron; Packing List: 2 x Duct Connector
- Advantages: 1. The connector is made of galvanized iron, which is anti-corrosion, cold-resistant, high-temperature resistant, not easily deformed, and durable. 2. The base of the connector has screw mounting holes, no drilling is required, and it is directly fixed on the wall with screws, which is easy to use. 3. The surface of the ventilation flange is smooth, which is conducive to connecting the air duct.
- Instruction: Screw the flange securely to the air inlet, air outlet, wall, ceiling or other surface for connecting to the ventilation system.
- Application: Duct flanges are widely used for air ventilation systems in home, kitchen, bathroom, garage and factory etc.
- NOTE: 1. Please pay attention to selecting the appropriate connection outer diameter before placing an order. 2. Screws are not included in the package.
- Interface Outer Diameter: 94 mm / 3.7 inch; Diagonal Mounting Hole Distance: 123 mm / 4.8 inch; Distance Between Adjacent Mounting Holes: 60 mm / 2.4 inch; Base Outer Diameter: 133 mm / 5.2 inch; Color: Grey; Material: Galvanized Iron; Packing List: 2 x Duct Connector
- Advantages: 1. The connector is made of galvanized iron, which is anti-corrosion, cold-resistant, high-temperature resistant, not easily deformed, and durable. 2. The base of the connector has screw mounting holes, no drilling is required, and it is directly fixed on the wall with screws, which is easy to use. 3. The surface of the ventilation flange is smooth, which is conducive to connecting the air duct.
- Instruction: Screw the flange securely to the air inlet, air outlet, wall, ceiling or other surface for connecting to the ventilation system.
- Application: Duct flanges are widely used for air ventilation systems in home, kitchen, bathroom, garage and factory etc.
- NOTE: 1. Please pay attention to selecting the appropriate connection outer diameter before placing an order. 2. Screws are not included in the package.
Specification
Specification
Color: Grey
Material: Galvanized Iron
Interface Outer Diameter: 94 mm / 3.7 inch
Diagonal Mounting Hole Distance: 123 mm / 4.8 inch
Distance Between Adjacent Mounting Holes: 60 mm / 2.4 inch
Base Outer Diameter: 133 mm / 5.2 inch
Packing List: 2 x Duct Connector
Advantages
1. The connector is made of galvanized iron, which is anti-corrosion, cold-resistant, high-temperature resistant, not easily deformed, and durable.
2. The base of the connector has screw mounting holes, no drilling is required, and it is directly fixed on the wall with screws, which is easy to use.
3. The surface of the ventilation flange is smooth, which is conducive to connecting the air duct.
Instruction
Screw the flange securely to the air inlet, air outlet, wall, ceiling or other surface for connecting to the ventilation system.
NOTE: 1. Please pay attention to selecting the appropriate connection outer diameter before placing an order.
2. Screws are not included in the package.
-
20%OFFOrder $5000+
-
15%OFFOrder $2000+
-
10%OFFOrder $800+
-
7%OFFOrder $500+
-
5%OFFOrder $200+
- Ship from the US
- In stock, dispatch in 24 hours.
Product Variants
Products | Title | ID | Price | Qty | |
---|---|---|---|---|---|
![]() | 4 Inch Duct Connector Flange, 2 Pack Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System | 1340996 | US$13.11 |
Products | Title | ID | Price | Qty | |
---|---|---|---|---|---|
![]() | 4 Inch Duct Connector Flange, 2 Pack Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System | 1340996 | US$13.11 | ||
![]() | 3 Inch Duct Connector Flange, Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System | 1340986 | US$7.29 | ||
![]() | 3 Inch Duct Connector Flange, 2 Pack Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System | 1340990 | US$10.42 | ||
![]() | 10 Inch Duct Connector Flange, Metal Straight Pipe Flange Square to Round Interface Air Duct for Heating Cooling Ventilation HVAC System | 1341011 | US$27.30 | ||
![]() | 5" Duct Connector Flange, Metal Straight Pipe Exhaust Flange Duct Mounting Plate with Screws for Air Heating Cooling Ventilation HVAC System | 1388228 | US$9.98 | ||
![]() | 6 Inch Duct Connector Flange, 2 Pack Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System | 1340994 | US$17.54 | ||
![]() | 6 Inch Duct Connector Flange, Metal Straight Pipe Flange Square to Round Interface Air Duct for Heating Cooling Ventilation HVAC System | 1341007 | US$13.88 | ||
![]() | 4 Inch Duct Connector Flange, 2 Pack Metal Straight Pipe Flange Square to Round Interface Air Duct for Heating Cooling Ventilation HVAC System | 1341009 | US$14.67 | ||
![]() | 4" Duct Connector Flange, Metal Straight Pipe Exhaust Flange Duct Mounting Plate with Screws for Air Heating Cooling Ventilation HVAC System | 1388229 | US$8.64 | ||
![]() | 3" Duct Connector Flange, 3 Pack Metal Straight Pipe Exhaust Inlet Outlet Duct Mounting Plate with Screws for Air Heating Cooling Ventilation HVAC | 1388231 | US$13.85 | ||
![]() | 4 Inch Duct Connector Flange, Metal Straight Pipe Flange Square to Round Interface Air Duct for Heating Cooling Ventilation HVAC System | 1341003 | US$9.99 | ||
![]() | 6 Inch Duct Connector Flange, 2 Pack Metal Straight Pipe Flange Square to Round Interface Air Duct for Heating Cooling Ventilation HVAC System | 1341008 | US$20.92 | ||
![]() | 3" Duct Connector Flange, Metal Straight Pipe Exhaust Flange Duct Mounting Plate with Screws for Air Heating Cooling Ventilation HVAC System | 1388230 | US$8.77 | ||
![]() | 4" Duct Connector Flange, Metal Straight Pipe Exhaust Inlet Outlet Duct Mounting Plate with Screws for Air Heating Cooling Ventilation HVAC System | 1388246 | US$8.82 | ||
![]() | 3" Duct Connector Flange, Metal Straight Pipe Exhaust Inlet Outlet Duct Mounting Plate with Screws for Air Heating Cooling Ventilation HVAC System | 1388239 | US$8.26 | ||
![]() | 5 Inch Duct Connector Flange, 2 Pack Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System | 1340997 | US$16.25 | ||
![]() | 10 Inch Duct Connector Flange, Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System | 1341005 | US$22.03 | ||
![]() | 6 Inch Duct Connector Flange, Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System | 1341002 | US$12.20 | ||
![]() | 3" Duct Connector Flange, 3 Pack Metal Straight Pipe Exhaust Flange Duct Mounting Plate with Screws for Air Heating Cooling Ventilation HVAC System | 1388226 | US$11.78 | ||
![]() | 6" Duct Connector Flange, Metal Straight Pipe Exhaust Inlet Outlet Duct Mounting Plate with Screws for Air Heating Cooling Ventilation HVAC System | 1388250 | US$16.78 | ||
![]() | 4 Inch Duct Connector Flange, Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System | 1340998 | US$8.66 | ||
![]() | 5 Inch Duct Connector Flange, Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System | 1341004 | US$10.34 | ||
![]() | 8 Inch Duct Connector Flange, Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System | 1341006 | US$17.63 | ||
![]() | 8 Inch Duct Connector Flange, Metal Straight Pipe Flange Square to Round Interface Air Duct for Heating Cooling Ventilation HVAC System | 1341010 | US$17.38 |
Description
Description
Specification
Color: Grey
Material: Galvanized Iron
Interface Outer Diameter: 94 mm / 3.7 inch
Diagonal Mounting Hole Distance: 123 mm / 4.8 inch
Distance Between Adjacent Mounting Holes: 60 mm / 2.4 inch
Base Outer Diameter: 133 mm / 5.2 inch
Packing List: 2 x Duct Connector
Advantages
1. The connector is made of galvanized iron, which is anti-corrosion, cold-resistant, high-temperature resistant, not easily deformed, and durable.
2. The base of the connector has screw mounting holes, no drilling is required, and it is directly fixed on the wall with screws, which is easy to use.
3. The surface of the ventilation flange is smooth, which is conducive to connecting the air duct.
Instruction
Screw the flange securely to the air inlet, air outlet, wall, ceiling or other surface for connecting to the ventilation system.
NOTE: 1. Please pay attention to selecting the appropriate connection outer diameter before placing an order.
2. Screws are not included in the package.
Specification
Color: Grey
Material: Galvanized Iron
Interface Outer Diameter: 94 mm / 3.7 inch
Diagonal Mounting Hole Distance: 123 mm / 4.8 inch
Distance Between Adjacent Mounting Holes: 60 mm / 2.4 inch
Base Outer Diameter: 133 mm / 5.2 inch
Packing List: 2 x Duct Connector
Advantages
1. The connector is made of galvanized iron, which is anti-corrosion, cold-resistant, high-temperature resistant, not easily deformed, and durable.
2. The base of the connector has screw mounting holes, no drilling is required, and it is directly fixed on the wall with screws, which is easy to use.
3. The surface of the ventilation flange is smooth, which is conducive to connecting the air duct.
Instruction
Screw the flange securely to the air inlet, air outlet, wall, ceiling or other surface for connecting to the ventilation system.
NOTE: 1. Please pay attention to selecting the appropriate connection outer diameter before placing an order.
2. Screws are not included in the package.
Standard Shipping:
US$4.99 for order under US$30.00
Free shipping on order over US$30
Estimated shipping time will be within 6-14 days
UPS Air Express:
US$49.99 for order under US$200.00
Estimated shipping time will be within 4-8 days
Air Express:
Free shipping on order over US$200
Estimated shipping time will be within 7-10 days
Thank you for choosing Harfington!
We make things easy for you, you will enjoy a 30-day free return (within the US) after receiving your items!
In other regions, we do not provide pre-paid return labels and you are responsible for covering shipping costs to return.
If you are not completely satisfied with your product for any reason, we will gladly sort out a solution for you. Once you want to return or refund the order, please Contact Us and our agents will contact you in 1-2 business days.
The return process
1. Contact us
Contact our Customer Service via email info@harfington.com or website, prepare the proof of purchase and the reason of return.
For wholesale orders, please contact directly wholesale@harfington.com for faster service.
2. Return & Refund
If you decide to return an item that is not defective, you’re eligible for a 30-day unconditional return since you’ve received it. Our Customer Service team will send you an address for receiving your return items, it takes 3-5 business days to process your return and issue the refund after our warehouse received the items.
Matters needing attention
All returned items should include the following:
• Original packaging (including original box, plastics foam, bubble wrap, bags, etc.)
• Original intact UPC barcode. Removal of the UPC code voids any possibility of the return request being honored.
• All accessories, including cords, cases, transformers, parts, batteries, assembly tools, etc.
• All manufacturer instruction manuals, warranty cards, and other documents.
*Return Policy Exceptions
1.Return Shipping is free only for the first return per order.
2.If you have already returned item(s) from an order but would like to make additional returns of item(s) in the same order, you can use the Return Label we provided, and $6.99 shipping fee will be deducted from your refund.
3.For orders sent to the US and under $50, Harfington will provide the return label. For orders sent to other conturies or over $50, Harfington will not provide the return label.
4.If our warehouse detect worn, damaged, or missing on the return items, Harfington reserve the rights to cancel the refund.
5.Defective Items or Wrong Items. If you receive an item that is wrong, defective, or broken, within 30 days of the date since you’ve received it, Harfington will exchange a new item to you or 100% refund it.
6.Non-returnable Items. Some of our products are not under the service of 30-day unconditional returns. We will tag these products on the detail page and your orders.
7.Larger Items. Some items require special shipping and handling. Some larger items may require a freight carrier or may exceed the weight limits allowed, if you want to return a larger item, please contact our Customer Service.
8.For non-quality issues (such as personal reason) , customer will be responsible for paying the return shipping fees and any customs fees or duties incurred during the return process.
9.For wholesale orders According to the specific order situation, we provide different solutions. If your wholesale order is not finished production, we will cancel the order and issue a full refund. If your wholesale order has been produced and is being processed, 30%~60% of the order amount will be used as a deposit and will not be refunded. Any questions about order cancelation, please contact us.
If you have any issues with your return or refund, please contact the Customer Service team, we are happy to help!

4 Inch Duct Connector Flange, 2 Pack Metal Fitting Straight Pipe Flange Round Ventilation Air Duct for Heating Cooling Ventilation HVAC System