AGC-40-CENTAUR is a dry 12×40 mesh bituminous coal based granular activated carbon. Centaur® is a registered trademark of Calgon®. It is Gold Seal Certified by the WQA for use in potable water applications. It has relatively large mesh size and large pores. AGC-40-CENTAUR is intended for chlorine or NOM removal and where suspended solids might plug a finer mesh carbon.