All BRITA water filter jugs use the MAXTRA+ filter with the unique MicroFlow technology, is formulated to provide expert levels of filtration for different water conditions in Australia.Made of activated carbon from natural coconut shells, its activated carbon pearls act to absorb and lock away chlorine and other taste and odour impairing substances, resulting in fresher, cleaner water. Additionally, its ion exchange pearls help to reduce metals like lead and copper as well as ensuring reliable protection from limescale build-up. *if found in tap water