634M
Broan-NuTone 634M Black Steel Roof Cap for 6in Round Duct With Backdraft Damper & Bird Screen
The attractive Broan 634M roof cap is the perfect finish for your ventilation system. The built-in back-draft damper eliminates cold air from entering the home. The bird screen stops unwanted visitors from gaining entry.
Features:
For pitched roof installation
6" round duct collar
24 GA. CRCQ steel, black powder coat paint finish
Built-in backdraft damper and bird screen
For 3¼" x 10" or up to 8" round duct