The Best square to round duct of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best square to round duct of 2022. Check our ranking below.
2,612 Reviews Scanned
Rank No. #1
Tandefio 3-1/4" x 10" x 6'', 6" Diameter Galvanized Transition Galvanized Round Transition Rectangular to Round Duct for Connecting Duct Fittings
- Package Content: the package comes inclusive of 1 single piece of our reliable galvanized transition; This accessory is instrumental in upgrading your existing ventilation system or setting up a new one, assuring you wouldn't need frequent replacements owing to its quality build
- Efficient Ventilation Solution: the rectangular to round duct serves as a versatile connector for your exhaust fan, dryer vent cover, and vent seal that dramatically boosts the effectiveness of your home or commercial space's ventilation system; It measures around 3-1/4 x 10 x 6 inches in size, making it ideal for a 3-1/4 x 10 inches pipe and a 6 inches diameter round pipe; With its unique air leak proof and space saving design, it is an ideal choice of advanced ventilation projects
- Sturdy Galvanized Construction: constructed with a robust, strong galvanized plate, our galvanized round transition promises longevity and good reliability; Its rust proof nature nicely lends itself for both indoor and outdoor usage, protecting against adverse weather conditions and facilitating seamless ventilation throughout the year; Despite its strength, it doesn't compromise on its aesthetics, sporting a sleek silver finish
- Reduces Wind Resistance: equipped with a smooth interior design, our galvanized duct connector significantly reduces wind resistance, contributing to a more efficient discharge of air; It ensures smooth airflow through various parts of the ventilation project, providing you with a comprehensive and effective ventilation solution
- Convenience of Installation: the duct rectangular to round comes with an easy installation process; Wipe it clean when using, then connect one end to the hose and fix it with aluminum foil tape, another end can be fixed on the square pipe with screws, finally, install the clamp and tighten the screws (Note: the installation accessories are not included); The easy setup process not only saves time but also ensures a suitable fit for good performance
Rank No. #2
PATIKIL 8 Inch Duct Connector Flange, Metal Straight Pipe Flange Square to Round Interface Air Duct for Heating Cooling Ventilation HVAC System
- Interface Outer Diameter: 200 mm / 7.9 inch; Diagonal Mounting Hole Distance: 210 mm / 8.3 inch; Distance Between Adjacent Mounting Holes: 120 mm / 4.7 inch; Base Size: 220 x 220 mm / 8.7 x 8.7 inch (L*W); Color: Grey; Material: Galvanized Iron; Packing List: 1 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.
SaleRank No. #3
PATIKIL 6 Inch Duct Connector Flange, 2 Pack Metal Straight Pipe Flange Square to Round Interface Air Duct for Heating Cooling Ventilation HVAC System
- Interface Outer Diameter: 150 mm / 5.9 inch; Diagonal Mounting Hole Distance: 166 mm / 6.5 inch; Distance Between Adjacent Mounting Holes: 60 mm / 2.4 inch; Base Size: 178 x 178 mm / 7 x 7 inch (L*W); 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.
SaleRank No. #4
Pasimy 4'' Dia x 3-1/4" x 10'' L Rectangular to Round Duct Galvanized Steel Transition for Connecting Duct Fittings
- Transform Your Ventilation System with Ease: our rectangular to round duct is more than just a simple connector; This galvanized transition is a crucial component of your ventilation system, enabling a seamless connection to your exhaust fan, dryer vent cover and vent seal; Manufactured in a sleek silver color, the galvanized duct connector functionality together with aesthetics for your ventilation system; The package includes 1 piece of this robust galvanized transition
- an Ideal Size Fitting for Your Ventilation Projects: with its ideal dimensions of about 10" L x 4 "Dia, our galvanized steel duct efficiently serves your 3-1/4" x 10" pipe and 4" round pipe; The compact yet effective design ensures a leak-free connection and occupies less space in your ventilation system, providing you with a functional solution to all your air circulation needs
- Quality Material for Longevity and Safety: the galvanized round transition is crafted from galvanized plates ensuring sturdiness and durability; Its inherent waterproof and rustproof features keep its longevity, whether placed indoors or outdoors; Even with continuous exposure to sun and rain, our product promises safety, non-toxicity, and long-term reliability
- Smooth Interior and Reasonable Arc: our duct transition has a smooth interior and a reasonably curved arc; This innovative design reduces wind resistance, thus improving air flow and enhancing the overall effectiveness of your ventilation system; The duct provides an efficient air discharge solution, while keeping your indoor air quality at optimal levels
- Ease of Installation and Maintenance: with the rectangular to round duct, installation is a breeze; Simply clean the galvanized round transition before use, connect one end to the hose, secure it with aluminum foil tape, and fasten the other end to the rectangular pipe with screws; Once the clamp is installed and the screws are tightened, your ventilation system is set to function
Rank No. #5
Goodman SQRPCH101 Square to Round Adapter, 4" x 24" x 18"
- Goodman Square To Round Adapter 16"-14"
Rank No. #6
6-Inch Diameter Galvanized Transition, 3 1/4-Inch x 10-Inch to 6-Inch Rectangular to Round Duct Galvanized Round Transition for Connecting HVAC Duct Pipe Fittings (6 inch)
- What You Get: the package comes 1 piece of galvanized transition, helps upgrade existing ventilation systems or install new ones, an ideal choice of advanced ventilation projects
- Efficient and Practical: ideal for a 3-1/4 x 10 inches pipe and a 6 inches diameter round pipe, can be used as a multifunctional connector for exhaust fans, dryer ventilation covers, and ventilation seals, greatly improving the efficiency of home or commercial space ventilation systems
- Sturdy Construction: rectangular to round duct constructed with a robust, strong galvanized plate, has a long lifespan and good reliability; Its rust proof properties are very suitable for indoor and outdoor use, and can withstand harsh weather conditions
- Reduce Wind Resistance: our galvanized round transition adopt a smooth internal design to ensure smooth airflow in all parts of the ventilation project, greatly reducing wind resistance and providing you with a comprehensive and effective ventilation solution
- Easy Installation: the duct rectangular to round comes with an easy installation proces; Wipe it clean before use, connect one end to the hose and secure it with aluminum foil tape, and fix the other end to the square tube with screws. Finally, install the fixture and tighten the screws (Installation accessories are not included)
Rank No. #7
Zonon 4 Inch Duct Connector Flange Metal Straight Pipe Flange for Heating Cooling Square to Round Air Vent Duct Connector with 8 Screws for Ventilation System
- Well-designed Structure: the duct connector flange features an innovative design with a dedicated duct inlet and outlet with 8 attached screws
- Appropriate Size: duct connector including an interface outer diameter about of 3.7 inches/ 95 mm, a diagonal mounting hole distance of 5 inches/ 126 mm, an adjacent mounting hole space of 3.15 inches/ 80 mm, and an effective frame size of 5.3 x 5.3 inches/ 134 x 134 mm, with a height of 2.4 inches/ 60 mm
- Ready to Assemble: our duct connector comes with prefabricated holes, ensuring a secured installation to the air purifier host, wall, ceiling, or any other surface for ideal connection to your ventilation system
- Made with Reliability: the duct connector is constructed of galvanized iron, featuring anti-corrosion, resistance to cold and high temperatures; This makes it robust and long-lasting; Its resistance to deformation ensures that it maintains its structure over time, providing value and consistency in your ventilation system
- Versatile Applications: this duct flange proves adaptable and finds applications in a myriad of air ventilation systems; Whether you're setting it up in your home, kitchen, bathroom or factory, this flange serves as a reliable connection, facilitating efficient air circulation
Rank No. #8
Duct Adapter Square to Round - 667PCH2
- Versatile Transition: This duct adapter seamlessly connects square ducts to round ones, ensuring efficient airflow.
- Durable Construction: Made from sturdy galvanized steel for long-lasting performance.
- Easy Installation: Features a simple, snap-on design for hassle-free setup.
- Space-Saving: Compact design minimizes space requirements in tight areas.
- Customizable Fit: Available in various sizes to accommodate different duct dimensions. Material: Galvanized Steel, 26-gauge thickness
SaleRank No. #9
ZUDKSUY 6 Inch Duct Connector Flange,Square Pipe Connector to Round Interface Air Duct Metal Straight Pipe Flange for Ventilation,Cooling, Heating and Air Conditioning Systems
- Duct Connector Flange: Compatible with 6" inch pipe. Outer diameter 150mm/5.9 Inches. Distance between screw holes 2.4*2.4Inches. Base Size:178 x 178 mm / 7 x 7 inch (L*W); Color: Grey.Material: Galvanized.
- Wide Application: Air Duct Flanges are widely used in air duct systems in industries such as construction, chemical, machinery, and food factory,home, kitchen, bathroom, garage and The surface of the ventilation flange is smooth, which is also can connect air ducts and the ventilation system. It applied to the 6inch Square Tubes, Circular Interface Duct.
- Features: The Duct Connector Flange is made of well quality galvanized material, which is anti-corrosion, cold-resistant, high-temperature resistant, and durable.
- Tips: You can choose different diameter sizes of flanged duct fittings in this purchase page, so please confirm the appropriate model outer diameter before placing an order.
- Package List: 6 inch Duct Connector Flange.
Rank No. #10
PATIKIL 3" Duct Connector Flange, 2 Pack Dryer Vent Wall Plate Square to Round Straight Ducting Plate for Air Heating Cooling Ventilation Exhaust Fan, Black
- Color: Black; Material: ABS Plastic; Outer Diameter of Top Interface: 66 mm / 2.60 inch; Outer Diameter of Bottom Interface: 73 mm / 2.87 inch; Overall Dimensions: 95 x 95 x 55 mm / 3.74 x 3.74 x 2.17 inch (L*W*H); Diagonal Mounting Hole Distance: 100 mm / 3.94 inch; Adjacent Mounting Holes Distance: 73 mm / 2.78 inch; Packing List: 2 x Duct Connector Flange
- Advantage: 1. The connector is made of ABS plastic material, which has good corrosion resistance and temperature resistance and is durable. 2. The connector base has screw mounting holes, which can be directly fixed on the wall with screws without drilling, and the installation is convenient.
- Instruction: For ducted ventilation systems, mount the duct connector to the wall and attach your exhaust hose to our duct connector.
- Application: The duct connector flange is mainly used to connect the duct hose (not included) to an output port through a bolted connection. Widely used on the home, kitchen, bathroom, garage, and office. Suitable for this area which needs a ventilation system.
- NOTE: Please confirm the outer diameter of the connector before placing an order.
Last update on 2025-04-12 / Affiliate links / Images from Amazon Product Advertising API
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