Steeling 625133 Silicone O-Ring, 4.0Mm X 4.38Mm X .19Mm Genuine OEM replacement part Steeling has earned a strong reputation as a top foodservice equipment manufacturer, specializing in frozen dessert equipment, such as soft serve and frozen yogurt machines, shake freezers, Italian ice machines, frozen beverage dispensers, batch freezers, and refrigerated display cabinets. Use genuine OEM parts for safety reliability and performance