Manufactured in the U.S.A. Le Griddle uses high tech manufacturing from the aircraft industry. The factory is dedicated to provide only the highest quality products to ensure the best griddles. The patented design combines 304 stainless steel and cast iron for the best heat distribution and food contact. The special cast-iron plate is ultra-resistant allowing for no rust, discoloration or distortion at the cooking surface. The cast iron plate absorbs the heat, then transfers it to the stainless steel cooking surface allowing for perfect heat distribution throughout the surface, therefore reducing energy consumption and, creating a perfect cooking experience. Natural Gas (propane orifice is included for gas conversion) 304 Stainless Steel Cooking Surface with Cast-Iron Base Plate 1 U-Shape Burner with 9,000 BTU's Overall Size: 17-1/4" x 18-3/4" x 12-1/2" ?Cut Out: 14-3/4" x 16-3/4" x 5-3/4" **Propane Hose & Regulator, Gas Flex Lines & Griddle Lids Sold Separately Notice - If installing this unit into a cabinet, the cabinet must made of a non-combustible material or an insulation liner must be used. This appliance may also be placed on a non-combustible surface or the optional portable cart.