Fan Bath Combo 70cfm 3.5 Sones

One piece polymeric blower wheel. White polymeric grill. Dimensions: 16-1/2" x 10". Two - 250 watt maximum type R40 bulb medium base infrared lamp to deliver silent heat to the room and is rated type IC for ceilings insulated to R-40 bulb (not included). Plastic collar for 4" duct connection comes complete with built in non-metallic back draft damper for quiet operation. UL listed...