What else can we say? United 955 DUO-ZYME is two products in one made for food service areas. It’s a natural-powered drain system maintainer and an outstanding grease cutter and cleaner. Specifically-targeted enzymes combine with fast-acting surfactants to cut through dirt, grease, fat and oils. It gets the job done without the use of added dyes and perfumes, which makes it perfect for food service. Earth Smart® Certified.