Broan-Nutone 3 In./4 In. Exhaust Fan Wall Vent Kit (8-Piece)

Wall vent kit for complete wall ducting installation of exhaust fans with 3-inch or 4-inch duct connector. Kit includes: White wall cap for 4-inch round duct with 4 mounting screws, engineered resin material for impact and UV resistance, weighted hood guards (against wind, bird, and lint build-up), 4-inch diameter metal duct connector, 2 nylon zip ties, 3-inch to 4-inch duct adapter, 5 feet of 4-inch diameter flexible foil ducting (conforms to UL181 Class 1 air connector requirements). Not recommended for dryer or range hood venting.