Real Flame Baltic Propane Fire Column, Glacier Gray (Discontinued by Manufacturer) Burns liquid propane, rated at up to 10000 BTUs of heat Uses 1 - 1 lb size LP tank (sold separately) Cast from painted fiber-concrete and steel Unit includes LP Fire Column, lid, 10,000 BTU burner, small brown lava rock, electronic ignition, leveling feet, and protective storage cover 90 day limited warranty