Use the BroanR 308 CFM High-Capacity Ventilation Fan in your bathroom to ventilate the air and help prevent mildew. It features 2.9 sones for quiet operation and vents moisture in bathrooms up to 280 sq. ft. Its steel housing offers durability and its white grille helps add a clean, stylish touch to your bathroom.308 CFM, Whole home or Commercial Ventilation2.9 sones for quiet performance, enough sound to know your fan is onIncludes 8-way adjustable mounting brackets for easy ceiling-mount installationDuct horizontally, vertically or in-line with separate adapterQuiet automatic backdraft dampersRugged galvanized steel housing designAMCA licensed for air and sound performancecUL and UL ListedRequires 120-Volt 2.6 Amp circuit not includedFor any questions regarding product features, installation, or specifications, please call our Technical Services Dept. at 800-637-1453, Monday-Friday, 8:00 am 7:00 pm EST.