Designed for easy installation, the Broan QTR110 Quiet Bathroom Exhaust Fan is engineered for quiet efficiency! This exhaust fan is also equipped with a centrifugal blower wheel for swift, consistent suction. Permanently lubricated motor never needs to be oiled! Damper eliminates backdraft and is very easy to install. UL listed for use over bathtubs and showers with GFCI wiring.