TWO-BUlb 70 CFM HEATER/FAN (653110)

UL listed for 60C wiring (retrofits)
Type IC
Quiet, highly efficient polymeric blower wheels
Polymeric dampers eliminate metallic clatter while preventing backdrafts
Polymeric 4″ round duct conectors with tapered sleeves provide easier, positive ducting
Adjustable mounting brackets with keyhole slots that span up to 24″
Use 250-watt BR40 size infrared bulbs (not included)