bbq factory Stainless Steel Fire Pit Square Burner, 18 Inch x 18 Inch, SS #304 18" double Stainless Steel Fire Pit Square Burner, 147,000 BTU Max. 100% 304 stainless steel Fuel distribution ports are precision drilled for quality Concentric rings increase in diameter for better flame height Dimensions: dia 18" x 18"