... Cholera, Typhoid,Salmonella,Serratia,E.Coli, Fecal Coliform>99.99% Ceramic Filter: Filter our dust, rust, cyst, Cryptosporidium & Giardia, ... required by international standards. Because of the silver, Sterasyl ceramic filters do not require sterilization after cleaning.Remove Pathogenic ... or agencies: Vertically Integrated Production 2013 Hot Tap Ceramic Filter Cartridges {FC-20" - CERAMIC}