KRUPS F088 Aqua Filter System Water Filtration Cartridge - 3 Pack Water filtration cartridge reduces limescale and mineral deposits Improves the water quality Prolongs the life of the machine For use with KRUPS Precise Tamp espresso machines and fully automatic machines including: XP5220, XP5240, XP5280, XP5620, EA82 and EA9000. We recommend you change the filter at least every two months