The water purification process in the UK is one of the best in the world, but did you know there are ways to get your water even purer? The Brita Classic Water Filter Cartridge filters impurities that remain in tap water producing fresher, cleaner, clearer, great tasting water perfect for hot & cold drinks & also for use in cooking. Youll also notice less limescale building up in your domestic appliances. New cartridges will ensure your Brita jug goes on working perfectly giving you lots of great tasting refreshing water whenever you need it. They offer great value & ensure you always have a filter cartridge to h&. Reduces aluminium & certain heavy metals (like copper & lead) Reduces certain pesticides (like diurone) Reduces organic impurities