634 Broan-NuTone Steel Roof Cap For 3-1/4" X 10" or up to 8" Round Duct With Damper & Bird Screen, Black
Part #BN634
MFG #634
Manufacturer Name : Broan-Nutone
- For 3-1/4" X 10" or up to 8" round duct
- Built-in backdraft damper and bird screen
- Steel baked black enamel finish
- Includes built-in back draft damper and bird screen for increased Protection
- Install Instructions
Specification Sheet - 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.