Enerco Group Inc Vent-Free 18,000 BTU Radiant Propane Heater, Multi

18,000 BTU Liquid Propane heater to heat spaces up to 500 sqaure feet. 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. Theromostat, legs and wall mounting hardware included