The Brita Maxtra+ filter cartridges reduce limescale and other substances such as chlorine, which affect the taste and odour in your tap water. This makes for excellent taste, as it combines function and ease of use for anyone to have filtered water. The Brita Maxtra+ filter cartridge has improved limescale reduction, reducing other substances that affect the taste and odour of tap water. This results in cleaner, clearer water for great tasting hot and cold drinks.