Brita BPA Free Replacement Water Filter Reduces Chlorine, BPA-free Brita Stream Replacement Filters are made with Filter-As-You-Pour technology, so you can get filtered water 10X faster compared to the market-leading pitcher system. Made with proprietary dual-layer filtration technology and containing activated carbon to reduce chlorine taste and odor. These filters deliver great-tasting water and maintain a healthy level of fluoride, an additive in water that promotes strong teeth (applies to fluoridated municipal tap water). The filters have an easy-hold grip and click the button for simple insertion and removal. Change these filters every 40 gallons, about 2 months for the average family, for best performance. The innovative carbon form means no black flecks. One Stream filter can replace 300 standard 16.9-ounce water bottles. Drink cleaner, great-tasting water with Brita.