Doulton Ceramic Filter Elements have been trusted by relief organizations around the globe for over 150 years. These filters were developed in 1850 to remove disease causing bacteria from London's Thames River.
These cleanable ceramic shell filter elements are designed to remove suspended solids, pathogenic bacteria, chemical contaminants and lead. In addition they will improve taste and reduce trace contaminants. These filter elements have been tested in accordance with NSF protocols for cyst, turbidity, particulates, lead, Cryptosporidium, bacteria, Giardia and chlorine reduction.