em Premium 5 for SanUno and Vario. The new Carbonit em Premium 5 filter cartridge combines water filters and invigorate in one cartridge. The European ceramic will be packed securely by our professional team in the filter cartridge as powder with "Eingebacken during manufacture. Theres so a very large contact surface with the water. In conjunction with the tried and tested filter performance of the Carbonit NFP Premium filter technology results in an ideal water filtration. Filter 0.45 micron – Flow Rate: Approx. 2 litres per minute (depends on water pressure). The filter cartridge must be replaced after about 6 months (according to the DIN 1988). The Early changes but it can also be required if the water flow rate noticeably has been reduced. A premature change is not an imperfection of the used filter, it is a sign of Vermehrtes occurrence of Fine Particles In Non Filtered Water.