With BRITA's unique Maxtra 4-step filtration your tap water will become refreshing and enjoyable. The BRITA Maxtra filter cartridge with the unique Maxtra 4-Step Filtration has +20% improved limescale reduction compared to the BRITA Classic cartridge*. In addition to that, it reduces other substances such as chlorine, which affect the taste and odour in your tap water, reduces aluminium and certain heavy metals (like copper and lead) along with certain pesticides. Organic impurities are also reduced. The result is cleaner, clearer water for great tasting hot and cold drinks, delicious food and less limescale build up in your domestic appliances. *vs. BRITA Classic when used in BRITA jug water filters (average according to BRITA standard test protocol) Features: Cleaner, clearer water in 4 steps Intensive pre-filtration: water flows through a fine mesh filter Ion exchange filtration: Reduces limescale, aluminium and certain heavy metals Activated carbon filtration: Significantly reduces substances that affect smell and taste Intensive final filtration: retains particle mixture Pack contains 2 Maxtra cartridges 2 filters per pack X 2 packs