HIGH-QUALITY FAN: Quiet, ENERGY STAR certified exhaust fan help control air quality is powerful enough for rooms (including bathroom) up to 105 sq. ft. EFFICIENT: Powerful ventilation reduces to quickly eliminate fogged mirrors at 110 CFM, so your vision will always be clear and your surroundings will always be comfortable EASY INSTALLATION: Easy to install new/replace existing product with retrofit installations that can be done entirely from the room-side – no attic access required ULTRA-QUIET: Ventilation fan operates at less than 0.3 Sones for a near-silent experience GREAT FOR BATHROOM: UL Listed for use over tubs and showers with a GFCI circuit so you can capture the steam before it spreads throughout the room by placing your fan exactly where you need it the most