Fast-acting, odorless, non-fuming, alkaline drain opener. Removes grease, hair, paper, food particles, and other organic materials. Breaks down grease to quickly restore water flow and full draining action. Safeon plastic, porcelain and metal drain pipes. Liquid formulation is easy to use and does not have the fuming back-up odors associated with many dry powder/crystal products. NSF Certified, as "acceptable for use in sewage and/or drain lines in and around food processing areas."