Amazon.com: Coffee Water Filter Replacement for AquaClean CA6903 /10 /00 /01 /22 /47, CA6707 /00 /10, CMF009, Philips 2000/3000 / 4000/5000, 421946039401, 421944050461 Coffee Machine, 3Pack by PUREPLUS : 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