CLARIS filter system Use of CLARIS filter cartridges guarantees you freshly filtered, delicious-tasting water for your tea and coffee at all times. Designed specially for JURA fully automatic speciality coffee machines, it has a neutral pH and is placed directly in the water tank. This gives you three important benefits: The guarantee that your coffee water is freshly filtered before any cup of coffee is prepared. Fresh water and unadulterated aromas guarantee your palate the coffee experience of a lifetime. Lifelong protection for your machine (eliminating the need for descaling). CLARIS from JURA is hard on scale, but soft on your coffee machine. Which filter cartridge works with my JURA automatic speciality coffee machine? CLARIS White The new CLARIS White filter cartridge can still be used for all JURA automatic speciality coffee machines which previously used the CLARIS plus filter cartridge Water Care IMPRESSA. CLARIS Blue The new CLARIS Blue filter cartridge is used for all ENA models and all other JURA automatic speciality coffee machines which contain blue filter packaging in the Welcome Pack.