This item selects high quality imported coconut shell as raw material . Using sical method of high temperature steam carbonization and activation process production. It has the following highlights features of â high porosityâ âLarge surface areaâ âhigh and rapid adsorptionâ âhigh anti-abrasionâ and "long using life" . Exnt efficency for producing clear water , pure water and high purity water. Can effectively remove from water the abnormal odor , strange smell ,chlorine,nol, mercury ,lead ,cyanide and etc hazardous substance . and decrease chrominance effectively .It is the ideal material for pyroelectricity , beer , beverage and high purity water equipment and project .