The outstanding filtration property of this filter can ensure high and stable flow rate. Made from food-grade materials, this filter is BPA-free, ensuring every drop is pure and clean. This filter adopts a pre-filter layer with coconut shell activated carbon and high-quality ion-exchange resin to ensure the maximum filtration and clean water possible. Tested by a third-party lab, it can efficiently reduce chlorine, rust, taste and odor, and sediments