High quality material: Adopting advanced ion exchange resin and granular activated carbon, the filter can effectively reduce impurities such as chlorine, heavy metals, odors, scale and other impurities in water, bringing better taste and a better aroma to your coffee. Foodgrade and BPAfree materials are used to ensure safe use and bring you a better worryfree drinking experience. Tested by 3rd party lab.Large Capacity: To enjoy fresh water, you must change the filter every two months or 100 litres. Results are dependent on source water quality.HassleFree Installation: Changing the filter is easy and requires no tools or expertise.Alternatives: Jura Claris Blue, 71311, 71312, 67007. And the Impressa series: A1, A5, A7, A9; C50, C55, C60, C65, C70, C75, C9; F50, F50 (Classic), F55 (Classic), F7, F8, F9; J7, J80, J500, J9, J9.2, J9.3, J9.4, J90, J95, J10, Z7, Z9. And GIGA 5, ENA series: ENA3, ENA5, ENA7, ENA9; ENA Micro1, ENA Micro5, ENA Micro8, ENA Micro9, Micro90.