Jura 7520 Claris Water Care Cartridge Claris Water Filter 7520 is a replacement filter for Jura Capresso C1000, C3000, S7 (original model), S8, S9 (original model), and Jura X7. Filters reduce limescale build-up for longer machine life, optimized brewing pressure and consistent temperature. Active filters also reduce other substances that may affect the smell and taste of water such as chlorine. You get a perfect cup of coffee with a natural and intense aroma and a rich and creamy foam. One filter per order.