Groen GT-40 Direct Steam 40-Gallon Stationary Kettle with Tri-Leg Open BaseWith the capacity to cook up to 40 gallons of product at a time, this Groen GT 40 Stationary Kettle is designed fo ruse in commercial kitchens. It has an 18. 8 type 304 stainless steel, solid one piece welded exterior construction and a 316 stainless steel kettle interior. This maximizes its durability while its bright high buff exterior finish gives it a clean, brilliant professional appearance. This finish also ensures the Stationary Kettle remains