Product Type Fire pit table Exterior Material Steel Burning Area Material Stainless Steel Fuel Type Propane; Natural gas (Natural gas conversion kit is NOT included with fire pit due to regulation reasons. Customers need to buy it separately for conversion.) Gas Conversion Feature Yes Note: Natural gas conversion kit is NOT included with fire pit due to regulation reasons. Customers need to buy it separately for conversion. Burn Time of Fuel Accommodated 24 hours Ignition Type Push-button BTU Output 40000 BTU Fire Bowl: 14.5'' W X 14.5'' D