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) : Philips: Everything Else
AquaClean Calc and Water filter CA6903/47 | Saeco
2 Pack Coffee Machine Water Filter Compatible with Philips Saeco AquaClean CA6903 /10 /00 /01 /22 /47 - Walmart.com
Amazon.com: Philips 3200 Series Fully Automatic Espresso Machine w/Milk Frother, Black, EP3221/44 with Philips Saeco AquaClean Filter Single Unit, CA6903/10 : Everything Else