Exhaust Wall Vent Kit is designed for complete wall ducting installation of exhaust fans with 3" or 4" duct connectors. This kit includes a white wall cap for 4" round ducts, complete with four mounting screws. Made from engineered resin material, it excellent impact and UV resistance. The kit features weighted hood guards to protect against wind, birds, and lint build-up, ensuring reliable performance. It also includes a 4" diameter metal duct connector, two nylon zip ties, a 3" to 4" duct adapter, and 5 feet of 4" diameter flexible foil ducting that meets UL181 Class 1 air connector requirements. Please note, this kit is not for dryer or range hood venting. Model Number: WVK2A