4 Inch Duct Connector Flange, Abs Square Air Ventilation With Duct Backdraft Valve For Heating Cooling Ventilation System, Black

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.SpecificationColor: BlackMaterial: ABS PlasticOuter Diameter of Interface: 95 mm / 3.7 inchOverall 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 inchAdjacent Mounting Holes Distance: 110 mm / 4.3 inchPacking List: 1 x Pipe Connector FlangeAdvantage1. 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.InstructionFor 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.