What is the shelf life of a replacement cartridge after purchase? 24 April 2023 06:39 Updated If stored correctly (dry and cool), at least two years. Related articles How can I tell that the filter needs to be replaced? Does it make sense to sterilise the water in the tank using UV rays before using the clearliQ travel water filter? How does the Grünbeck water filter change my water pressure? Can the fresh water system be used without a filter cartridge? What do I have to consider before winterising?