Organic Vapor & Acid Gas Cartridge. (2 Packs) North Safety 7583P100L Acid Gas Cartridge with filters also removes dusts, fibers, and other particles Type: Particulate Filter / Gas Cartridge Gas Type: Organic Vapor, Chlorine, Hydrogen Chloride, Sulfur Dioxide, One line of cartridges and filters will simplify your inventory Color: Yellow and Magenta