Acid Gas Cartridge With Particulate Filter, Use With Reusable Respir

3M™ Gas/Vapor Cartridges are designed to balance breathability and long service life. Gas and vapor cartridges use carbon particles to adsorb contaminants, filtering the air that you breathe. 3M™ has designed our cartridges to be easy to breathe through and long lasting by optimizing the layers and depth of the carbon bed, geometry of the cartridge body, and carbon particle size.