[Size]Air Vent Duct Connector Flange has an outer frame of 17.6cm/6.93inch,a hole spacing of 16.7cm/6.57inch,a height of 7.4cm/2.91inch,and an outer diameter of the interface of 14.7cm/5.79inch [High Quality Material]Duct Connector Flange is made of high quality galvanized material,which is environmentally friendly and durable,with smooth ,strong hardness,cold and high temperature resistance,and not easy to deform [Use]Dryer Vent Adapter can be used as an air inlet and outlet and installed in indoor ventilation equipment.Can be fixed on air outlets,air inlets,walls or other surfaces [Easy to Install]The Ducting Connector has screw mounting holes at the bottom,no need to drill holes.You can directly fix it to the wall with screws for easy installation [Package List]You will receive 1 Air Vent Duct Connector, Weight: 0.42769678828 Pounds, Manufacturer: TWISAXC