The Luster Professional P G Dish WareWashing Closed Loop F - All-Temp Rinse Additive is a liquid concentrate designed for commercial kitchen use. This product, with a unit type of gallon, is specifically formulated to enhance the cleaning and warewashing process in restaurants and food service establishments. The Luster brand ensures quality and effectiveness in removing tough stains and residue, making it an essential addition to any professional kitchen cleaning routine.