The 3M Cuno ESP124-T water filter system accepts the following cartridge replacements:
The Cuno ESP124-T Filter System for Espresso Machines produces premium quality water for espresso machines and espresso based-drinks. This single cartridge system removes hardness in water up to 1,100 grains. This water softening system reduces hard scale formation and chlorine taste & odor. This water filtering system ensures great taste and prevents bitterness through carbon and ion exchange media. In addition, this hardness reduction system features FDA CFR-21 and/or NSF compliant construction materials.
Cuno ESP124-T Filter System for Espresso Machines specifications: