Mr. Heater F242655 MH30TS Double Tank Top Outdoor Heater, 8000 to 30000 BTU Per Hour Hi-med-low regulator and multiple heat settings- 10, 12.5, 15, 20, 25, 30,000 BTUs Two tip-over safety shut-offs and polished chrome reflector Soft Nose P.O.L and premium grade stainless steel burning surface Mounts on 20lb propane cylinder and directional, adjustable heads Operate one or two burners at a time and outdoor use only