Replacement time - Each filter elements can filter 250 ml of water. For best results and continuous updates, it is recommended that the filter elements be replaced every 2 months depending on the water quality. Premium Materials - This filter uses advanced ion exchange resin and superior granular activated carbon to effectively reduce potentially harmful contaminants. Extend the life of the machine- Our water filter uses microporous filters to prevent contaminants and contaminants from into the clogged pipe, and keep the pipe clean to extend the life of the machine. High Quality Flavor- The ion exchanger and the granular activated carbon in the filter elements can effectively reduce the chlorine gas, taste and smell in the water, providing fresh water and providing you and your family with better coffee, rich taste and aroma. Compatible with - Suitable for models E8, S9, lmpressa One Touch, E10, E25, E30, E40, , E5, E50, E55, E60, E70, E74, E80, E85,J5, S50, S55, S7, S7 Avantgarde, S70, S75, S85, S9, S90, J5, Z5 , : N 9, N 90, like White, 60209 Not for series.