Excellent ASHRAE 62.2 ventilation solution. High efficacy fluorescent lamp that complies with the California title 24 residential lighting standard and provides about the equivalent of 100 W of incandescent lighting. Includes exhaust fan housing, blower (motor), grill, snap-in bracket, 26 W GU24 lamp, 4 in round duct collar with a plastic damper protects against back drafts and ensures quiet operation and instruction sheets. UL listed for installation over a tub or shower on a GFCI circuit.