The L.B. White Portable Gas Torpedo Heater is a portable propane heater that provides up to 100,000 BTUs of radiant heat. It has a powder-coated steel frame and stainless steel burner, and uses a standard 20 lb propane tank (not included). Some key features include an adjustable heat output, built-in thermostat, and tilt-over safety shutoff. This portable heater can provide temporary heating for industrial, construction, agricultural, and commercial applications. With its sturdy construction and safety features, this torpedo heater from L.B. White is a good option for portable supplemental heating needs.