Filtersorb 400M is a grade of activated carbon that has been developed by Calgon Carbon for the removal of contaminants from municipal drinking water. They are excellent for removing odour causing compounds from water like geosmin, DBP precursors like tri halo acids, endocrine disrupting agents, trichloro ethylene, PCB’s, chlorine and other harmful causing compounds. It complies with AWWA requirements for use in drinking water applications.