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