The L.B. White Portable Gas Torpedo Heater is a portable, forced-air heater that runs on propane or natural gas. It has an output of 400,000 BTU and can heat areas up to 8,000 square feet. The torpedo-shaped design allows for 360 degree heating and has a rust-resistant, powder coated steel housing. It includes a 10 ft hose, regulator, and pressure gauge. Safety features include a tip-over switch that automatically shuts off gas flow if the heater falls over. This portable industrial heater is ideal for spot heating large areas in warehouses, garages, construction sites, and more.