Air King AK100D Energy Star Qualified Dual Speed Exhaust Bath Fan with 100-CFM and 1.5-Sones, White Finish White dual speed exhaust fan provides ventilation at low sound levels Provides quiet and continuous Whole House Ventilation while operating at low speed Dual speed settings operating at 50 and 100-CFM Suitable for bathrooms up to 100-square feet and other rooms up to 125-square feet Comes with a 5-year limited warranty