NuTone® Heat-A-Ventlite® Heater/Fan/Light, Flatback Cylinder, 70 cfm, 4 in Diameter Duct, 120 VAC, 1717 W Power, 1500 W Heater Wattage, 7-1/2 in L x 13-1/4 in W Housing, 100 W Lamp, Incandescent Lighting, Ceiling Mounting, 15-3/8 in Dia Grille, Die Cast Zinc Grille, Galvanized Steel Housing Material, No Humidity Sensing, No Motion Sensing, White