Marley 8140ES Environmental Series Ceiling Exhaust Fan ENERGY STAR RATED By using a highly effiecient motor this Energy Star fan can, on average, consume 65% less energy than conventional fan models and may qualify for local utility rebates. The performance secret is the heavy duty galvanized housing fitted with high density acoustical insulation; a squirrel cage blower designed for optimum performance and sound properties; and a specially designed 4" duct transition and back draft damper reduces noisy air turbulence. The high impact styrene grill willent a wide range of decorating themes and its white color blends with most ceilings. FEATURES - Plug in high efficiency motor with super quiet double inlet blower. 2.5 Sones New designer styled high impact styrene grill. 4" Duct Grill dimensions: 12-1/2" x 11-1/2" Housing dimensions: 10-1/4" x 11-7/16" Heavy duty galvanized housing and blower. Four (4) adjustable mounting bars allows for placement anywhere between 16"oc and 24"oc ceiling joists. High density acoustical insulation to absorb noise. 4" duct with back draft damper reduces noisy air turbulence and comes pre-assembled to housing. 140 CFM cULus listed IC for use in insulated ceilings. cULus listed for use over a tub or shower when wired on a UL listed GFCI protected circuit. .40 amps For baths up to 130 square feet and other rooms up to 175 square feet PLEASE NOTE THE SHIPPING AND RETURN POLICIES NEAR THE BOTTOM OF OUR HOME PAGE.