About This Powerful Bathroom Fan: 110 CFM, Effective ventilation to remove moisture and reduce the risk of mold or mildew in most full baths up to 105 sq. ft. Permanently lubricated AC motor engineered for continuous operation Ultra Quiet Performance: 0.4 Sones is as quiet as a whisper while still providing effective venilation. Quality Material: Built to withstand moisture, the corrosion-resistant galvanized steel housing and permanently lubricated AC motor offer durability and reliability Fast and Flexible Installation: Includes hanger bars on the fan housing for easier installation. Features 6" ducting for superior ventilation performance. Fits 2" x 8" ceiling construction. Certified Performance: ENERGY STAR Certified to reduce energy use by 50% and provide year-round savings. UL Certified for use over bathtubs or showers when connected to a GFCI protected branch circuit. Overview Brand : Broan-NuTone Color : White Electric fan design : Exhaust Fan Power Source : ac Style : NEW Ultra Quiet Product Dimensions : 13"D x 13.75"W x 8.63"H Room Type : Bathroom Special Feature : Quiet Operation Recommended Uses For Product : Exhausting, Ventilating Mounting Type : Ceiling Mount