4" BROAN RVK1A KIT

Select the RVK1A Broan-NuTone® roof vent kit to provide reliable rooftop venting. Features a black enamel finish and is designed for use with 3 in or 4 in round ducts. Includes a built-in back draft damper and bird screen to prevent small pests from entering duct. This kit comes with all parts need for installation, including 8 ft of 4 in Dia flexible foil ducting, 4 in metal duct connector, 3 to 4 in duct adapter, (2) nylon zip ties and (4) mounting screws. The flexible ducting conforms to UL 181 Class 1 air connector requirements.