Wall Cap, For Nominal Duct Diameter 8 in, For Duct Height Not Applicable, For Duct Width Not Applicable, Inlet Diameter 8 in, Material Aluminum, Overall Length 12 1/2 in, Product Type Wall Cap, Material Thickness 22 ga, Finish Not Applicable, Color Silver, Shape Round, Overall Width 13 in, Screen Included No, Includes Built-In Damper