Broan 164 Double Bulb Heater with Exhaust Fan Infrared bulb delivers energy saving warmth. Get instant comfort in the bathroom without turning up the central thermostat. Uses 2 250 Watt BR40 size infrared bulbs (not included). 70 CFM 3.5 Sones Operate fan and heater independently or together. Attractive, white polymeric grill. Compact steel housing. 4" duct Adjustable mounting bracket with keyhole slots span up to 24" Type IC Overall housing dimensions: 8-3/8" x 14-1/4" x 6-3/8" Grill size: 10-1/4" x 15-5/8" 120 Volts 2.5 Amps PLEASE NOTE THE SHIPPING AND RETURN POLICIES NEAR THE BOTTOM OF OUR HOME PAGE.