The Zip 93701 MicroPurity 0.2 micron water filter suits residential G4 & G5 Zip Hydrotap systems manufactured from February 2017 moving forward Hydrotap boiling, chilled and filtered water system incorporates advanced triple action filtration to protect you and your equipment from harm and damage. The unique 93701 Zip Hydrotap 0.2 Micron Water Filter Cartridge reduces dirt, rust, sediment, chemicals, chlorine, taste and odours and lead from your water supply while protecting your Zip Hydrotap from internal scale-up. The superfine 0.2 Micron filter rating ensures that bacteria such as cryptosporidium and giardia are removed from your water supply and is independently tested and certified by NSF to standards 42 and 53 for your peace of mind. This filter contains naturally occuring antimicrobial properties that are used to prevent bacteria growth inside the filter cartridge – added protection for you and your family This filter is capable of filtering 4,163 Litres Why is it important to replace my Zip Filter? The 93701 Zip Filter Cartridge core is produced from high quality carbon granuals. Carbon adsorbs chemicals and chlorine from our water to ensure safe and great tasting water. Over a 12-Month period, carbon loses its ability to adsorb and needs to be replaced. For health reasons, never use carbon filters which are more than 12 months old.