Removes excess calcification and substances that affect the taste and aroma of coffee Minimizes heavy metals such as lead and copper and dissolved organics like pesticides in water Plastic construction ensures the durability of the filter Filter needs to be replaced only once every three months, so you just install it and don't have to worry about it for a while Compatible with Breville espresso machines including the Oracle Touch (BES990), the Oracle (BES980), the Dual Boiler (BES920), and the Barista Touch (BES880)