1.[COMPATIBLE MODELS]Compatible with BES880BSS Barista Touch, BES990BSS Oracle Touch, BES980 Oracle, BES878 Barista Pro, Dual Boiler BES920.Please confirm your coffee espresso machine model before purchasing 2.[MORE MELLOW AND DELICIOUS COFFEE]Our water filter replacement for Breville espresso machines combines natural ion resin and activated carbon to to reduce chlorine, heavy metals, and other harmful contaminants from the water for optimal flavor extraction from coffee beans. Experience the aroma and ambiance of a coffeehouse without leaving your home. 3.[BARISTA ESSENTIALS]Water filter combined with natural ion exchange resins and activated carbon, which can improve the taste of hot drinks by reducing limescale, and stabilizing the calcium carbonate to remove unpleasant impurities which impair coffee flavor and aroma. Let you experience the aroma and atmosphere of the coffee shop without leaving home 4.[ EASY TO USE ]Immerse the filter in freshwater for 5 minutes, then insert it into the filter holder of the espresso machine, and insert it into the water tank, which will make your espresso machines for breville work better.