Proudly made in the United States, the Broil King Regal S420 (885714) propane gas 4-burner built-in gas grill features 600 square inches of total cooking surface with an included porcelain-coated warming rack. Made from die-cast aluminum and high-grade stainless steel, the durable cook box of the Broil King 885714 provides excellent heat retention and long-lasting durability. The cook box is designed to ensure even heat and heat retention for precise cooking control. The Broil King 885714 features solid 9mm stainless steel cooking grids. The Broil King S420 built-in 885714 includes the incredible Flav-R-Wave cooking system that provides superior heat distribution across the entire surface of the grill and protects the burners. Drippings that fall onto the Flav-R-Wave are instantly vaporized, the vapor is then infused back into the food for that unmistakable barbecue flavor. The Broil King 885714 has four(4) patented Dual-Tube burners that are made from high-quality, heavy-duty stainless steel. These large diameter, tube-in-tube side ported burners provide even heat distribution with two rows of flame per burner. Broil King's 885714 built-in grill also includes Linear-Flow valves with 180-degree Sensi-Touch control knobs gives you infinite heat control, allowing you to set your grill to the perfect temperature for searing, roasting or slow cooking.