Breather Box Breathing Air Filtration System


  • A portable Grade-D breathing air filtration system
  • Monitors for carbon monoxide with a 3 stage filtration system:
    1. First stage element filters bulk water and particulate and has an auto drain.
    2. Second stage coalescing filter eliminates atomized oils, mists, ultra-fine
      particulates, and has an auto drain.
    3. Third stage filter removes organic vapors and odors and has a manual drain.
  • Filter change indicators are standard on all three stages of filtration. Filtration
    efficiency is 99.99% at .01 micron.
  • Operates on disposable 9-volt batteries, 8-16 volt DC, or 115 VAC


The Breather Box filtration system by Air Systems is a portable respiratory safety tool that filters water, oils, fine particles, vapors, and odors from reaching your crew’s lungs. Available in both 30 CFM and 50 CFM.

Additional information

Item Size

100cfm Capacity, 30cfm Capacity, 50cfm Capacity

Part Number