YAE1017 Features: * Motor equipped with thermal shut off * Built in backdraft damper prevents outdoor air from entering through fan * Rust-proofed steel fan housing unit * Motor unit easily detaches from housing for wiring and installation * Aluminum reflective coating prevents overheating and maximizes heat output * Air volume: 80 CFM * Noise level- 1.0 sones * Conforms to ULl/CUL safety standards when used with gfci circuit wiring * 4" Diameter duct connection * The fan, light, and heater may be wired separately Includes: * 2 Long life 270W infrared heat lamps and 60W center light bulb included * Multi function switch included * Easy installation mounting brackets included Construction: * Enclosed AC motor engineered for quiet operation Specifications: * Durable 270 Watt anti-blast hardened glass bulb manufactured for resistance to condensation and water Dimensions: * Dimensions: 7.5" H x 13.75" W x 13.75" D