PATIKIL 4 Inch Duct Connector Flange, 2 Pack ABS Square Air Ventilation with Duct Backdraft Valve for Heating Cooling Ventilation System, Black

• Outer Diameter of Interface: 95 mm / 3.7 inch; Overall Dimensions: 148 x 148 x 70 mm / 5.8 x 5.8 x 2.8 inch (L*W*H); Diagonal Mounting Hole Distance: 155 mm / 6.1 inch; Adjacent Mounting Holes Distance: 110 mm / 4.3 inch; Color: Black; Material: ABS Plastic; Packing List: 2 x Pipe 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. Also, the duct backdraft valve prevents exhausted air from being blown back into the house.
• 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. Also, please note that screws are not included in the package.

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. Specification Color: Black Material: ABS Plastic Outer Diameter of Interface: 95 mm / 3.7 inch Overall Dimensions: 148 x 148 x 70 mm / 5.8 x 5.8 x 2.8 inch (L*W*H) Diagonal Mounting Hole Distance: 155 mm / 6.1 inch Adjacent Mounting Holes Distance: 110 mm / 4.3 inch Packing List: 2 x Pipe 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. 3.Duct backdraft valve prevents exhausted air from being blown back into the house. Instruction For ducted ventilation systems, mount the duct connector to the wall and attach your exhaust hose to our duct connector. NOTE: Please confirm the outer diameter of the connector before placing an order. Also, please note that screws are not included in the package.