(8) Box Of 10 MSA Multi Gas Chemical Cartridges 492790 Comfo Respirator GME October 22, 2023 Resistance: Organic Vapors, Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, Ammonia, Methylamine, Formaldehyde, Hydrogen Fluoride. R95 and N95 rated.