Perfect taste: for a full aroma of tea, the cartridge reliably reduces chlorine in tap water Protection against limescale: the filter cartridge extends the life of kitchen appliances Quality and design from Germany: customers worldwide trust the quality of Brita If the practical indicator on the lid of the jug flashes after 4 weeks, the next refill cartridge should be inserted International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions.