Extend the lifespan of your coffee or espresso machine and enjoy the best possible aroma development. Contaminants in the water, such as chlorine, lead, or copper, are reduced. It protects against limescale and removes odor- and taste-disturbing substances. This improves water quality and reduces the scaling of the machines. One cartridge filters approximately 50 liters of water, which is about 400 cups, and should be replaced every 2 months.