The Claris Water Cartridge reduces water hardness up to 75% and eliminates decalcifying. It removes (if present) up to 85% Chlorine, up to 90% lead, up to 95% copper and up to 67% aluminum. Fits Capresso Fully Automatic Coffee/Espresso Center C1500 and Capresso EspressoPRO/Espresso Classic/Espresso Classic Luxe