Combination Cartridge/Filter, NIOSH Rating Chlorine (CL), Chlorine Dioxide (CD), HEPA, Hydrogen Chloride (HC), Hydrogen Fluoride (HF), Organic Vapor (OV), Sulfur Dioxide (SD), Magenta, Yellow, Compatible with Brand and Series Bullard EVA Series, Respirator Cartridge Type PAPR, Respirator Connection Type Threaded, Package Quantity 6. This item has been restricted from sale in the following state (s): []