V-east Activated Carbon Odor Control Unit is a compact, modular canister designed to remove unpleasant hydrogen sulfide and methyl mercaptan odors venting from gravity sewer manholes. The unit comes equipped with V-east Granular Activated Carbon that is a high-activity, chemically-treated activated carbon specially designed for use in odor control applications. In addition, the unit is effective in absorbing other select organics as well.