Air King “Energy Star” Bath Fan 4″ Duct 80 CFM

Highlights: Quiet exhaust Cfm: 80 Sones: 1.5 At the highest point the grill projects only 1/2″ down from the ceiling The electronically balanced centrifugal blower wheel assures maximum ventilation at the minimum sound Easily installed using the adjustable hanging brackets for 16″ centers Motors are suitable for continuous operation 4″ plastic duct collar with back draft damper Ul listed for installation over a tub or shower on a gfci circuit Hvi2100 certified