Brita Replacement Filter Pack of 8Brita filters activated carbon and ion exchange resin work together to transform ordinary tap water into healthier, great tasting drinking water. The Brita advanced filter is new and improved to reduce chlorine (taste and odour) mercury, copper, cadmium and zinc. Used in all Brita pitchers; 1 filter can replace 300 standard 500 ml plastic water bottles and is better for the environment no bottles to throw away. Your filter is what cleans your water