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: Coffee Machine Filter Compatible with Philips CA6903 Aqua Clean Water Filter for Fully Automatic Coffee Machines Dedicated Anti-Lime Scale Water Purifier (Pack of 4) : Home & Kitchen
Saeco AquaClean Water Filter – Whole Latte Love
Saeco Aqua Clean Wasserfilter CA6903/01 CA6903/10
Saeco Aqua Clean Filter – Cerini Coffee & Gifts
3 x Saeco Aqua Clean Wasserfilter CA6903/01 CA6903/00 CA6903/10