AMERICAN OUTDOOR GRILL 36 Inch Built-in Gas Grill with 648 sq. in. Cooking Surface, 3 16,500-BTU Primary Burners, Analog Thermometer and Stainless Steel Construction: Liquid Propane, L Series, Backburner RotisserieStainless steel all around makes up this grills formidable construction, from the grill itself to the cooking rods, the burners advanced construction and the vaporizer panel, youre getting strong, long-lasting grilling performance from this built-in grill. Solid brass gas valves offer precise temperature control and longevity as