Installed under an existing roof exhaust vent to act as a bathroom exhaust vent. The stepped design allows the attachment of 4", 5" or 6" ducting. Can be installed from the top of the roof deck or from inside the attic to the roof vent.
Features- Seamless leak free body
- Attaches to 4", 5" or 6" duct
- Adapter collar with built in flapper
- 15-year warranty
- US patent 10,180,260