(8) Box Of 10 MSA Multi Gas Chemical Cartridges 492790 Comfo Respirator GME (80 Total). Ammonia, Chlorine, Chlorine Dioxide, Formaldehyde, Hydrogen Chloride, Hydrogen Fluoride, Hydrogen Sulfide, Methylamine, Organic Vapor, Sulfur Dioxide. Suitable For Use With. Comfo® and Ultra-Twin® Respirators. Ammonia, Chlorine, Chlorine Dioxide, Formaldehyde, Hydrogen Chloride, Hydrogen Fluoride, Hydrogen Sulfide, Methylamine, Organic Vapors and Sulfur Dioxide. Easy-to-install respirator cartridges protect against myriad contaminants. Cartridges thread directly to receptacles on twin-cartridge respirators. Accepts N95 and R95 prefilters which add protection against paints, pesticides, dusts, mists and fumes.