MOLDEX MULTI-GAS/VAPOR REPLACEMENT CARTRIDGE - Multi-gas/vapor cartridge simplifies inventory. Approved for ten common gas/vapors. Cartridge selection made simpler and misuse reduced. Replaces up to five gas/vapor cartridges. For use against multi-hazards in the same workplace. Use with Moldex N95 or P100 filters for even greater flexibility. Each Smart Cartridge comes with a built-in inhalation valve, plus an easy snap-in mount.