ResinTech AGC-50 C is a dry 20 x 50 mesh coconut shell based granular activated carbon. It has small mesh size, very high surface area, coconut shell base material, and small pores. ResinTech AGC-50 C is intended for chlorine or NOM removal where very rapid adsorption is required. It is Gold Seal Certified by the WQA for use in potable water applications.