One piece polymeric wheel White polymeric grill Dimensions: 11 x 10-1/2 High impact polycarbonate lens 100 watt maximum, type A19, medium base bulb, (not included) Rated Type IC for ceilings insulated to R-40 Plastic collar for 4 duct connection, comes complete with built in non-metallic back draft damper for quiet operation UL listed HVI2100 certified Fan and light can be wired to operate separately CFM=70 Sones=4