The Electro Freeze 199032-01 duckbill inlet valve helps regulate fluid flow while preventing unwanted backflow in compatible beverage or frozen dessert equipment. Designed with a flexible duckbill-style opening and remountable mounting configuration, this valve works by allowing liquid or product to pass through in one direction while automatically closing when flow stops or reverses.... https://partsfe.ca/199032-01-electro-freeze-duckbill-inlet-rm-mts-valve