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 noise reduction With removable pest screen for easy cleaning Can be mounted on brick, concrete or siding KIT INCLUDES: 4" ProMax cap 4" diameter aluminum pipe 2 plastic clamps 4" x 8' ProFlex duct