Colour Family: WHITE Material: METAL/PLASTIC Assembled Product Height: 4" Assembled Product Width: 4" Diameter: 4" . Hinged and louvered Cleaning your vent is now made easy UV resistant plastic 3 louver damper system prevents cold air, snow or rain from entering the home Locks in open position Easy removal of lint and debris No obstructions for a clear inspection for the duct Includes aluminum tailpiece