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. GFLINER160 Griddle Lid Included Cooking Surface Size: 29-3/8" wide X 15-3/4" deep EACH Gas Type: Natural Gas or Propane Gas 4 U-Shaped Stainless Steel Burners = 9,000 BTU's Each Total Cooking Power = 36,000 BTU's 304 Stainless Steel Construction/Frame 304 Stainless Steel Cooking surface with Cast-Iron base plate which allows even heat over the entire cooking surface Includes 4 safety valves with thermocouples to cut off gas supply in the event of an accidental flame extinction Battery operated ignition system Removable grease tray for easy cleaning Opposite gas orifices included for gas conversion Gas connections sold separately Cut-Out Dimensions - 60-1/4" W x 16-5/8" D x 5-1/2" H **Gas Flex Lines, Propane Hose & Regulator Sold Separately