Hearth Products Controls (HPC Rectangle Stainless Steel Fire Pit Burner (FRSR-18X9-LP), 18x9-Inch, Propane Gas 18 x 9 inch rectangular burner for gas fire pit or fire feature 304 Stainless Steel Construction; Female 1/2 inch gas inlet; Drilled Burner Ports Propane Ready; Natural Gas Available (FRSR-18X9-NG); 150,000 BTU Includes rectangular burner and installation manual Rectangular; 18 x 9 inch length; 2.5 Inch Gas Inlet; 20 inch Flame Height