18K BTU LP Wall Heater

Mr. Heater, 18,000 BTU, White, Liquid Propane, Vent Free, Radiant, Wall Heater, Radiant Heat Burner, Automatic Low Oxygen Shut-Off System ODS, CSA Certified, Operating This Heater At Altitudes Over 4,500 ft. Above Sea Level Could Cause Pilot/ODS To Shutdown The Heater, Thermostat, Legs And Wall Mounting Hardware Included, Heats Up To 500 sq. ft.