Cartridge, NIOSH Rating Chlorine (CL), Hydrogen Sulfide (HS), Mercury Vapor (MV), Organic Vapor (OV), Sulfur Dioxide (SD), Olive, Compatible with Brand and Series 3M 6000 Series, 3M 6500 Series, 3M 6500QL Series, 3M 7500 Series, 3M 7800 Series, 3M...