Winco SST-40, 40-Quart 11.9-Inch High 15.9-Inch Diameter Stainless Steel Stock Pot with Cover, NSF, features the smart design with wide tri-ply bottom and high sidewalls for even and thorough heat distribution. The bottom consists of an aluminum core encased in two sheets of premium quality heavy-duty 18-8 stainless steel. This sturdy and reliable kitchenware is a perfect option for preparing stocks, soups, broths, stews, sauces, braising meats, vegetables and more. It is provided with tight fitting stainless steel lid for the better heat retention and flavor infusion. The 40-quart stockpot is a must for any restaurant kitchen. Moreover this amazing pot is NSF approved.