Napoleon BIPT600RBIPSS237" Built-in Gas Grill with 922 sq. in. Total Cooking Surface, 82500 Total BTU, 3 Bottom Burners, Infrared Main Burner, Infrared Rear Rotisserie Burner, WAVE Rod Cooking Grids, Warming Rack and EASY SET Knobs (Not Exact Image): Liquid Propane