Air King AK917 Bulb Heater, 2.6 A, 120 V, 850 Btu, 70 cfm Air

One-piece polymeric blower wheel. White polymeric grill. Dimensions of 10 in x 10 in. One 250 W maximum, type R40 bulb, medium base infrared lamp to deliver silent heat to the room, bulb not included. Rated type IC for ceilings insulated to R-40. Plastic collar for 4 in duct connection comes complete with built-in non-metallic back draft damper for quiet operation. UL listed. HVI2100 certified.