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 orifices included for conversions) 304 Stainless Steel Cooking Plate with Cast-Iron Base Stainless steel 100% thermally conductive surface Removable stainless steel griddle plate Ventilation grill to protect the flames from any wind Exclusive curved tray for oil or fat recovery Durable high-powered 304 stainless steel burners (18,000 Btu's Total) Exclusive stainless steel design to prevent any cool zone. Top heating performance enables homogenous temperatures over the entire surface for optimal heat diffusion Highly secured device with a safety valve and thermocouple to cut off gas supply in the event of an accidental flame extinction. Cooking Space: 29-3/8" wide X 15-1/2" deep Overall Dimension Countertop: 30-3/8" wide X 19" deep(with knobs) X 10-1/2" high (with feet) Overall Dimensions Built In: 30-3/8" wide X 17-3/4" deep (without knobs) X 5-3/8" high (without feet) Cut Out Built-In: 28-3/4" wide X 16-3/4" deep X 5-3/4" high **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.