NuTone ? InVent Series 110 CFM Ceiling Exhaust Bath Fan, ENERGY STAR AERN110 This patent-pending series marks a revolution of our mid-range ventilation fans. It gives professionals the flexibility to handle new construction or room-side retrofit installations from one hard-working product line with a full range of operating points. Innovations include foldable mounting ears and new damper and housing technology that improve building airtightness like never before. And all with new grille designs that are at home in any decor. 110 CFM reduces humidity to quickly eliminate fogged mirrors and manage moisture in bathrooms up to 105 square feet, so your vision will always be clear and your surroundings will always be comfortable Retrofit installations can be done entirely from the room-side - no attic access required. This means a faster, easier installation, so you can move on to something else With our TrueSeal? Damper Technology, InVent fans reduce air leakage by up to 50%* compared to competitive models, resulting in better home performance via blower door tests and reducing cold and warm air backdrafts EzDuct? Connector can be installed room-side with no attic access required, fan housing connection have never been easier ENERGY STAR Qualified 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 locating your fan exactly where you need it the most Features 110 CFM, Effective ventilation to remove moisture and reduce the risk of mold or mildew in most full baths 1.0 Sones for Ultra quiet performance, you might not notice it's on EzDuct? connector can be installed from the room side, with no attic access required TrueSeal? Damper technology reduces air leakage up to 50% Foldable mounting ears allow for easy installation in both new construction and room-side replacement applications ENERGY STAR certified ventilation fan UL listed for use over tub or shower with a GFCI branch circuit (ceiling mount only) UL listed and HVI-2100 Certified for safety UL listed for use in insulated ceilings (type I.C.) Powerful enough for rooms up to 100 sq. ft. Brighter white grilles blend in to match most common ceiling paint Corrosion resistant galvanized steel housing stands up to moisture Permanently lubricated AC motor engineered for continuous operation UL listed for use in insulated ceilings (type I.C.)