Air King AK110LS Energy Star Deluxe Quiet Series Bath Fan, 110-CFM, White

From the ManufacturerThe energy star deluxe quiet series provides cost effective, energy efficient ventilation at low sound levels and features a contoured grill that almost disappears into the ceiling. At the highest point the grill only projects down 1/2-Inch from the ceiling. The electronically balanced centrifugal blower wheel assures maximum ventilation with minimal sound. A side access panel allows you to wire the fan without removing internal components. A spring loaded metal damper protects against back drafts. The motors are suitable for continuous use. The unit is UL listed for installation over a tub or shower when wired on a GFCI circuit. Easily installs using the included adjustable hanging brackets. This unit provides 110-CFM of ventilation at 1.5-Sone. It provides exhaust capacity for rooms of approximately 110-Square-Feet. This is an energy star model. Duct size is 4-Inch. Hvi2100 certified. Housing size: 10-7/8-Inch wide-by-9-3/8-Inch deep-by-7-7/8-Inch high.