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.
- 6 in. round duct roof cap with manufactured steel housing and black electrically bonded epoxy finish
- Built-in back-draft damper prevents cold air from blowing back into the home
- Effective transition from inlet to outlet reduces air flow loss
- Easy installation with polished, finished look
- Pick the best air filters for your home. Check out our Buying Guide for helpful tips.