Protection and cleaning: Calgon tablets not only protect the washing machine from limescale deposits, but also prevent residues and unpleasant odors in each wash. For a cleaning that can be seen and smelled: Calgon Power Tabs leave the washing machine clean and at the same time prevent unpleasant odors. Maximum efficiency: 4-in-1 power tabs prevent detergent and softener residues from depositing on machine parts that could affect washing machine performance. Protection against limescale, dirt, and corrosion during each wash: simply add a powerful tablet to the detergent in the main washing compartment and let the washing machine last longer. Contents of the shipment: 1 x 47 Calgon power tabs / powerful protection against limescale and dirt / prevents odors / descaler for the washing machine