POWERFUL BATHROOM EXHAUST FAN: ENERGY STAR certified fan operates at a powerful 80 CFM for ultimate ventilation in spaces up to 75 sq. ft. and is motor engineered for continuous operation CUSTOMIZABLE LIGHTING: From a warm 3000K LED to a crisp 5000K LED, customize your space with 4 selectable light settings with the flip of a switch, automatically saving your last setting ULTRA QUIET: 0.7 Sones sound rating provides whisper quiet operation and the TrueSeal Damper Technology reduces air leakage by up to 50% HIGH TECH GRILLE: CleanCover grille stays cleaner longer with fewer vent slots to collect dust EASY INSTALLATION: Broan Room side Series ventilation fan fits 2" x 6" ceiling construction and easily installs from the room side, which makes it possible to retrofit to spaces with no attic access