NuTone 605RP Exhaust Fan with 1300 Watt Heater, 70 CFM 4.0 Sones, White Grille N/A Imported 70 CFM 4.0 Sones 1300 Watt heating element provides optimum performance in smaller space White polymeric grille Fits 2-inch by 6-Inch ceiling construction.Minimum construction space required(inches):2 x 6 Efficient quiet blower exhausts stale air and moisture to refresh the bath atmosphere