Infrared Heater Combustion Air Inlet Kit; Type Combustion Air Inlet Kit; Used On VPS/VPT Model Infrared Heater; Includes (3) 5 Millimeter Diameter x 10 Millimeter Length Screw, 4-Hole Fresh Air Inlet Plate, 3-Hole Fresh Air Inlet Plate, (2) 90 to 120 Millimeter Hose Clamp, 108 Millimeter Diameter x 350 Millimeter Length Flexible Hose, Combustion Air Conversion Manual