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Ducts, Dampers, Adapters & Caps
Broan-NuTone® Steel Roof Vent Kit for 3" or 4" Round Duct, Includes Flexible Ducting, 4" to 3" Reducer, Duct Connector
The Broan-NuTone® RVK1A Steel Roof Cap Kit is an easy-to-install vent for exhaust fans (bathroom, rec room, home gym, etc.). It is compatible with 3" or 4" ductwork and includes a 3" to 4" adapter for convenience. This cap features both a back draft damper and bird screen, preventing outside air from entering the home and birds or small pests from entering duct work. This kit includes all materials needed for installation, including 8 ft. of 4" flexible ducting, 4" metal duct connector, 4" to 3" Reducer, and nylon zip ties. The flexible ducting conforms to UL 181 Class 1 Air Connector and CUL S110 requirements. Not suitable for dryer venting.
- Built-in backdraft damper prevents outside air from entering home
- Built-in bird screen prevents birds and other small animals from entering duct work
- Kit includes all materials needed for install: 8 ft. of 4" flexible ducting, 4" metal duct connector, 4" to 3" Reducer, and nylon zip ties
- Constructed of durable, resilient steel with a black powder coat finish
- Easy to install in new construction, replacement, or DIY applications
- Compatible with 3" and 4" round ducting