Wall Vent Kit, For Nominal Duct Diameter 3 in, 4 in, For Duct Height Not Applicable, For Duct Width Not Applicable, Inlet Diameter 4 in, Material Plastic, Overall Length 10 in, Product Type Flexible Wall Ducting Kit, Standards UL 181 Class 1, Finish Not Applicable, Color White, Shape Cap, Overall Width 6 1/2 in, Screen Included No. This item has been restricted from sale in the following state (s): []