Stanbroil Stainless Steel Fire Pit Burner Ring, 12 x 9-Inch, Rectangular 12" x 9" Rectangular Burner for gas fire pit or fire feature Durable 304 Stainless Steel Construction; Female 1/2 inch gas inlet; Drilled Burner Ports, Rated BTU's: 90,000 Suitable for either Natural Gas or Propane.If using for propane an air mixer valve must be installed. Package Contents: 12" x 9" Rectangular Burner; 1/2 inch Inlet which includes inlet plug