Broan RVK1A Roof Vent Kit

Select the RVK1A Broan-NuTone Roof Vent Kit to provide reliable rooftop venting. 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. The flexible ducting conforms to UL 181 class 1 air connector requirements.Black Steel Roof Cap With Built-In Back Draft Damper And Bird Screen4 Diameter Metal Duct ConnectorTwo Nylon Zip Ties3 To 4 Duct Adapter8′ Of 4 Diameter Flexible Foil Ducting Conforms To ul 181 Class 1 Air Connector RequirementsDo Not Use For Dryer Venting