Description: Product Type: Air Vent Duct Connector Flange, Professional manufacturing, stable performance, and long service life.Material: Duct Connector Flange is made of galvanized material, which is environmentally friendly and sturdy, with smooth surface, 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 surfacesEasy 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. Specification: Material: Galvanized Size Chart: Outer Frame: 119mm/4.69inchHole Spacing: 108mm/4.25inchHeight: 53mm/2.09inch Package Includes: 1 Air Vent Duct Connector Flange Note: Please allow slightly errors due to manual measurement and different monitors.