Broan QT Series ventilation products offer the rare combination of power and extremely quiet operation. Offered with a variety of additional functions such as lights, nightlights and heaters, they also do the job efficiently as most are ENERGY STAR Qualified.Features: 0.7 Sones 110 CFM 6' ducting for superior performance ENERGY STAR Qualified Motor engineered for continuous operation UL Listed for use over tub/shower with GFCI circuit Hanger bars for Easy, Fast and Universal installation in all types of construction