Fire Pit Burner Specifications: Dimension: 18 Inch Round Fire Pit Burner Ring; Rated BTU Max: 147,000 BTU; Gas Inlet Size: 1/2-Inch NPT; Material: Made of 100% 304 Stainless Steel; Package Includes: 18-Inch Round Fire Pit Burner Ring; 1/2-Inch Air Mixer Valve; Flex Gas Line with 2 couplings; 1/2-Inch Shut-off Valve Kit; 6FT Low-Pressure Propane