Amazon.com: PHILIPS AquaClean Original Calc and Water Filter, No Descaling up to 5,000 cups, Reduces Formation of Limescale, 2 AquaClean Filters, (CA6903/22): Home & Kitchen
Amazon.com: PHILIPS Saeco Xelsis Super Automatic Espresso Machine & Saeco AquaClean Filter Single Unit, CA6903/10, white, one size: Home & Kitchen