Get the pure water you need to brew perfect espressos with this 2-pack of Philips AquaClean calc and water filters. With ion-exchange technology, each filter prevents calcium in the water from entering into your coffee machine to avoid the need of descaling for up to 5, 000 cups. Its micro-porous design ensures optimal water filtering with patented water flow. | Philips AquaClean Calc and Water Filter (CA6903/22) - 2 Pack