The CeraGuard ultrafiltration system from Ceramic Filters Company, Inc. incorporates PES UF membrane technology, multiple innovative mixed medias and a manifold design filter housing assembly. These design details keep water free from suspended solids, cysts, bacteria, virus, chemicals, metals and organics without wasting water and maintaining essential minerals beneficial to health and well being. http://www.ceramicfilterscompany.com, info@ceramicfilterscompany.com