The Broan® ZB110L1 ULTRA GREEN™ 110 CFM Multi-Speed Ceiling Exhaust Bath Fan with LED Light allows for fast and easy installation. Now you can experience outstanding ventilating power that will quickly clear annoying steam and help prevent mold and mildew. Combine this with extremely quiet operation and energy efficiency in a product that can be retrofit installed entirely from the room-side, creating a relaxing, comfortable bathroom environment. This ENERGY STAR® fan includes dimmable LED lighting to keep your bathroom illuminated whenever you need.