Hobart's HMC450-61 can hold up to 45 quarts of ingredients. This machine features a counterbalanced clear Lexan polycarbonate bowl cover, sealing in ingredients and avoiding spills while taking away the need for a gasket. Use of the processor is simple, due to the convenient 5 minute timer and its stop/start push buttons. Safety in mind, this unit is engineered with interlocks preventing use in dangerous situations. This unit meets NSF and UL standards.