Bromic Heating Tungsten Portable 500 Smart-Heat(TM) Natural Gas Heater - BH0510005 *Available in Liquid Propane Gas (MODEL # BH0510001) Up to 3 times more efficient than traditional Mushroom heaters, the Bromic Tungsten Portable Gas heater has got you covered! With its award-winning, matte black finish, it's a piece of modern art and a high-performance radiant heater in one, creating comfortable warm environments in areas of up to 215ft2. FUEL TYPE: Natural Gas OUTPUT: 38,500 BTU COLOR: BLACK WEIGHT: 124lbs MODEL # BH0510005 HEAT AREA: 215ft2 MINIMUM FLOOR CLEARANCE: 36" APPROVAL CERTIFICATION: Intertek 4009079