Half Mask Respirator Kit, Comfo Classic Series, M, Includes (6) Chlorine Dioxide (CD), Chlorine (CL), Hydrogen Chloride (HC), Hydrogen Sulfide (HS), Organic Vapor (OV), P100, Sulfur Dioxide (SD) Combination Cartridge, Facepiece Material Silicone, Head Harness Material Thermoplastic Elastomer, Respirator Connection Type Threaded, Configured For Cartridges, Filters