634 Broan-NuTone(R) Steel Roof Cap, 3-1/4-Inch x 10-Inch or Up to 8-Inch Round Duct, Black 634
- For 3 1/4" X 10" or up to 8" round duct.
- Built-in backdraft damper and bird screen.
- Steel housing, black baked acrylic finish.
Select the Broan-NuTone® 634 Roof Cap to provide reliable rooftop ventilation. Features a black enamel finish and is designed for use with 3-1/4" x 10" or up to 8" round duct. Includes a built-in back-draft damper, and protective bird screen to prevent small pests from entering duct.