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Ducts, Dampers, Adapters
Broan® Roof Vent Kit, 8-Foot of 4-Inch flexible aluminum duct.
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. diameter flexible foil ducting, 4 in. metal duct connector, 3-4 in. duct adapter, 2 nylon zip ties and 4 mounting screws. The flexible ducting conforms to UL 181 Class 1 Air Connector requirements.