Hearth Products Controls (HPC Round Stainless Steel Fire Pit Burner (FRS-18-NG), 18-Inch, Natural Gas 18 Inch Round Burner for Gas Fire Pit or Fire Features 304 Stainless Steel Construction; Female 1/2 Inch Gas Inlet; Drilled Burner Ports Natural Gas Ready; Propane Conversion Available (FRS-18-LP); 150,000 BTU Includes Round Burner and Installation Manual Round; 18 inch diameter; 2.5 Inch Gas Inlet Height; 20 inch Flame Height