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
Amazon.com: 2Pack Replacement Coffee Machine Water Filter for Philips Saeco AquaClean-for Aquaclean Filter Philips 3200/4300/1200/5400-CA6903/10/00/01/22/47 : Home & Kitchen
Amazon.com: 2Pack Replacement Coffee Machine Water Filter for Philips Saeco AquaClean-for Aquaclean Filter Philips 3200/4300/1200/5400-CA6903/10/00/01/22/47 : Home & Kitchen
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