![](https://www.broan-nutone.com/getmedia/cdb65c73-5166-4c41-82e7-cf51584ed54c/636_1.jpg?width=1800&height=1800&ext=.jpg)
![](https://www.broan-nutone.com/getmedia/5d49c3c7-2759-4440-a93f-9768bbad507b/636_RVK1A_2.jpg?width=3622&height=2833&ext=.jpg)
![](https://www.broan-nutone.com/getmedia/c4487b1f-e1d0-45cc-93e7-0333a5157cb4/636_2_dim.jpg?width=1000&height=1000&ext=.jpg)
Ducts, Dampers, Adapters & Caps
Broan-NuTone® Steel Roof Cap for 3-Inch or 4-Inch Round Duct w/ Damper & Birdscreen, Black
Select the Broan-NuTone® 636 Roof Cap to provide reliable rooftop ventilation. 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 protective bird screen to prevent small pests from entering duct.
Model:
636