Philips Kitchen Appliances Philips AquaClean Original Calc and Water Filter, No Descaling up to 5,000 cups, Reduces Formation of Limescale, 1 AquaClean Filter, (CA6903/10) - Enjoy fresh coffee from pure water with Philips AquaClean Original Calc and Water Filter that reduces formation of limescale, it doesnt clog thanks to the micro-porous filter and naturally removes calcium with ion-exchange technology - Better Taste for Longer: Innovative AquaClean calc and water filter ensures no descaline for up to 5000 cups - No More Clogging: The micro-porous filter naturally removes calcium - Easy Installation: Effortless and intuitive with the click-and-go system - Philips Certified: For reliable machine protection, please use only Philips AquaClean filter to ensure the maximum lifetime and the safety of your machine