Details: Brita advanced filters are designed to fit all Brita pitchers and dispensers. These filters do not require pre soak and will not leave black flecks in your water, so you can start using right away. Using technology that combines coconut based activated carbon with ion exchange resin, the Brita advanced filters reduce the taste and odor of chlorine to deliver great tasting water while removing copper, mercury and cadmium impurities that can cause illness over time. The filters should be replaced every 40 gallons or every two months for best results. By drinking filtered water, you are reducing the amount of plastic bottles that end up in our landfills and oceans. One Brita water filter used equals 300 plastic bottles saved. Start drinking healthier, great tasting water with Brita today.