Cerametix Imperial OBE Filter Cartridge W9522650 Fluoride, Chlorine, Arsenic, Bacteria and Heavy Metal Reducing Replacement Cartridge Pathogenic bacteria: Cholera, Typhoid, Salmonella, Fecal Coliform, E. Coli &gt;99.9999% Ceramic shell is cleanable with a green mesh kitchen scrub pad Rated capacity is 1000 gallons or 1 year of use, whichever comes first Fits any standard 10" housing that uses an Open Both Ends cartridge