This double under sink water filter features a KDF/GAC cartridge PLUS a special contaminant filter cartridge! Doulton Sterasyl ceramic pre-filter to effectively remove harmful bacteria, such as E. Coli, Fecal coliform, Samonella, Streptococcus, and cysts (Cryptosporidium, Giardia), and sediment down to 0.9 micron. The cartridge can be cleaned up[Read More]