Moldex cartridges snap-into the facepiece eliminating the chance of misthreading and misaligning.
New inhalation valve comes on each cartridge eliminating need to replace.
Organic Vapor Cartridges are NIOSH Approved for Organic Vapors.
Acid Gas Cartridges are NIOSH Approved for Chlorine, Hydrogen Chloride, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Fluoride or for escape only from Hydrogen Sulfide.