Replacement filter for Elkay bottle filling stations and ezH2O Liv Filter is tested and certified to NSF/ANSI 42, 53 and 401 for the reduction of lead, microplastics, Class 1 particulate, cysts, and chlorine taste and odor Filter should be replaced every 3,000 gallons or 1 year after installation Equipped with quick-disconnect, 1/4-turn installation, as well as automatic inlet shut-off valve that closes when filter is removed Provides filtration at the point of use where needed; Pairs with EWF3000 universal filtration kit to upgrade any beverage system or faucet to filtered