Aero Pure 4-Bulb 90 CFM Quiet Bathroom Fan with Heat and Light White

Quiet 90 CFM means you get to enjoy the warmth and quiet of your bathroom. The fan, light, and heater may be wired separately. Rust-proofed steel fan housing unit with back draft damper to prevent outdoor air entering the fan. Do not install directly over tub/shower. Requires a dedicated circuit. Housing Dimensions: 11-5/8 x 11-5/8 x 7-1/2; Grille Dimensions: 14-3/8 x 14-3/8. Full four year warranty.