Zip 91289 Replacement Water Filter For Hydrotap 3M WFC5600A CartridgeZip 91289 Replacement Water Filter For Hydrotap 3M WFC5600A Cartridge Orku Water Filters are leading the way in innovativewaterfiltering Technology. All OrkuWater Filters are engineered to remove chlorine and other water contaminants, without removing all the beneficial minerals. Coconut shell activated carbon block assists in removing Chlorine, eliminates bad odours, whilst improving water taste. Also, the silicon phosphorus crystal, works to reduce