The Machine Dishwash Detergent is a heavy-duty liquid alkaline commercial dishwasher detergent designed for cleaning food residues from stainless steel, ceramic and most plastic surfaces. The Rinse All adds the finishing touch to a rigorous machine wash and ensures that dishes emerge sparkling clear each and every time. The Low-Temp Sanitizer is a liquid active chlorine sanitizer for dishes, glasses and utensils in low temperature machine dishwashing operations. You get 2 gallons of Dishwash, 1 gallon of Rinse All, 1 gallon of Sanitizer.