Food-grade, 10 Gallon (40 Quart), 18 gauge stainless steel construction, weldless fittings and ball valve for easy cleaning. Tri-clad bottoms for even heat distribution (works great with induction heaters), heavy-duty handle rivets. Laser-etched internal measurement markings, silicone handles on kettle and lid. Full stainless steel 3-piece weldless ball valve included, with 1/2" NPT internal thread for accessory attachment. Lid rests on handle, for easy access and cleanliness. *Includes ported kettle thermometer 2" probe depth thermometer installed above ball valve in place of weldless plug. Includes kettle screen (installed inside kettle on ball valve and used for filtering ingredients when transferring wort).