Built In Series BI650: The most powerful built-in model with 6 tubular burners, 78,000 BTU and an infrared rear-burner that redefines how you cook at your backyard"s island. Standard features are: Marine Grade (304), Stainless steel throughout (including components), commercial grade rotisserie, 6 (1.2mm) tubular burners, 8MM Stainless Steel Cooking Grids, signature bottle opener, infrared rear burner, Swiss style thermometer and outdoor kitchen island ready.