Super Low Profile. Super Low Energy Consumption. Weighing in at less than 5 lbs., the powerful yet compact Delta BreezSlim sets the bar for performance in the popular small fan size of 7.5″ x 7.25″ x 3.94″ . Operating at just 1.0 Sone, this quiet fan features Deltas super reliable DC brushless motor, an LED indicator light so you know its running, and a modern grille design. Perfect for retrofit into an existing space or for ceiling mount or wall mount installation (UL listed for both) into your next multifamily or single-family project. BreezSlim breaks the mold of the everyday bathroom exhaust fan. Available in contractor packs.BreezSlim SLM50 is the ONLY 3 duct vent fan model that can meet ENERGY STARMost Efficient criteria in the market.Features ENERGY STARqualified with innovative brushless DC motor technology Quiet operation at 1.0 Sone UL approved for ceiling or wall mount installation The only 7.5″ x 7.25″ small size bath fan in the market Compact housing for easy retrofit and replacement of older bath fans Ultra low power consumption at 6.4 Watts Green LED indicator light to show power is on Annual energy cost for 24/7 operation is approximately $6.73*