Material: ALUMINUM/PLASTIC Assembled Product Length: 96" Assembled Product Height: 4" Assembled Product Width: 4" Diameter: 4" . Complete kit for ventilating your dryer UV resistant plastic Improved exterior design with non-stick louvers Can be mounted on brick, concrete or siding J-channel flange sold separately, or already attached to cap / hood, for use when installing on exterior siding up to 1" thick New streamlined packaging for retail customers KIT INCLUDES: 4" ProVent cap 4" diameter aluminum pipe 2 plastic clamps 4" x 8' ProFlex duct