HIGH-QUALITY FAN: Quiet, energy efficient exhaust fan operates with 80 CFM and 0.8 Sones to help control air quality is powerful enough for rooms (including bathroom) up to 75 sq. ft. EFFICIENT: Powerful ENERGY STAR certified fan ventilation that removes and reduces the risk of or in most full baths at 80 CFM, so your surroundings will always be comfortable EASY INSTALLATION: Room side easy to install sturdy, easy, four-point mounting directly to the joist provides the easiest installation on the market LED LIGHTING: Dimmable integrated LED module is energy efficient and brightens up any room THREE YEAR LIMITED WARRANTY: Backed by a three year limited warranty for your convenience