Desa Reddy Heater 50,000 BTU Propane Forced-Air Heater #RLP50V 30,000/40,000/50,000 Btu variable propane forced-air heater Ideal for heating small to medium work areas; heats up to 1,150 square feet 3 heat settings let you save fuel in smaller spaces Included hose and regulator connect to 20- to 100-pound propane cylinder (sold separately) Not for home or recreational vehicle use; 1-year limited warranty