Portable Gas Tank-Top Heater, Head Shape Round, Number of Heads 2, Heating Capacity Output 30,000 BtuH, Heating Area 490 sq ft, Minimum Cylinder Size 20 lb, Overall Height 17 1/4 in, Overall Width 6 7/16 in, Overall Depth 15 1/2 in, Number of Heat Settings Auto, For Use Indoors/Outdoors Outdoor Only, Fuel Consumption 1.4 lb/hr, Fuel Type Propane, Heating Method Radiant, Ignition Type Standing Pilot, Includes Angle Burners, Shut-Off Valve, Reflector Material Stainless Steel