Reduces limescale build-up prolonging life of domestic appliances. Includes 3 x 31 day water filter cartridges. Produces up to 100 litres of filtered water per cartridge. No pre-soaking required. Removes impurities from tap water. Improves the taste and look of hot and cold drinks. Easy fit cartridge. Designed to fit brita maxtra+ water filter jugs. Suitable for all water types. 100% recyclable.