The Advantage Exhaust Fan Series with light features a stylish grill design that fits in with almost any decor. The high impact polycarbonate lens allows for easy relamping and the fan and light can be wired to operate separately. Highlights: Bright 100 Watts maximum standard bulb (bulb not included) Easily installs using the included adjustable hanging brackets UL Listed for installation over a tub or shower on a GFCI circuit 4" Plastic damper protects against back drafts and ensures quiet operation Specifications: HVI Certified CFM : @ .10 SP: 50 HVI Certified Sones : @ .10 SP: 3.0 Sound Level : Moderate ASHRAE 62.2 Ventilation : Local Exhaust Light Lens : Plastic Main Lighting : 100 Watts Duct Size : 4" round Collar/Damper : Plastic Mounting : Included hanger bars Effective Ventilation : Bathrooms up to 45 sq. ft., Other rooms up to 60 sq. ft.