This fits your .
Empty Refillable Cartridges for Water Treatment Systems Filter Cartridge Model Number: C-C2510-EP For Filter Housing: 10" Standard Maximum Flow: 5 GPM Our empty refillable filter cartridges fit into a variety standard filter housing sizes. These cartridges can be filled with your filtration media of choice in order to create a filter cartridge that is custom to your specific needs. These cartridges come standard with built-in pre and post filters to keep the media from being washed out of the filter cartridge.
Empty Refillable Filter Cartridge for 10" Standard Housing - B007ME1Y8O