From tuna and egg salad to peanut butter and jelly, Unifiller offers automated lines for your sandwich production requirements. Pump, deposit, spread or fill. Spread or spray condiments including ketchup, mustard, mayonnaise, butter and more. Our food service machines are ideal for environments with extreme temperature requirements featuring upgraded pneumatic control systems that substantially reduce corrosion caused by moisture build-up, caustic cleaning processes and daily wear and tear.