Invent Series 110 CFM Single Speed Bath Fan. This versatile housing platform allows for easy installation in both construction and retrofit applications. Foldable mounting ears ensure room-side replacement, while a 4" duct connector mounts from the inside of the housing for a secure fit. Damper technology improves air tightness scores. The fan has a 10"x9-1/4"x5-3/4" housing and is UL safety listed. It comes with a 3-year limited warranty.