If you want to drink coffee prepared with water that\'s clean and tasty, your NIVONA coffee machine definitely needs a filter. Made in Switzerland to ensure optimum water quality, this filter will also extend the service life of your machine.Features:- Reduces limescale- Removes chlorine smell and taste- Filters out contaminants, in particular metals, heavy metals, pharmaceutical residues, pesticides and herbicides- Purely organic material with no chemical additives- Lets you descale your bean-to-cup coffee machine less frequentlyIt\'s recommended to change the filter every 50 litres or at least every 2 months.