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Air Systems™ Auto-Air Intrisically Safe Portable Breathing Air Filtration Boxes

Grade-D filtration system designed to provide breathing air for specific number of workers

Manufacturer:  Air Systems™ BB50COIS

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Catalog No. 19-806-323

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  • Filters incoming air from compressor to provide respirator users
  • Monitors for CO and/or oxygen
  • Designed to be used in upright and closed position to prevent internal contamination
  • First stage element with auto drain filters bulk water and particulate
  • Second stage coalescing filter with auto drain eliminates atomized oils, mists, ultra-fine particulates
  • Third stage filter with manual drain removes organic vapors and odors
  • External audible alarm and light to signal workers of high carbon monoxide content
  • Remote alarm jack and safety relief valve present

  • Filtration efficiency: 99.99% at 0.01 micron
  • User specified respirator couplings with dust caps
  • Visual air flow meter present for monitoring



OSHA 1910.134, CSA
99.99% at 0.01μ
150 psi
79 cfm
Air Filtration System
4 couplings, 2 outlets, filter change indicator, safety relief valve, solid aluminum block manifold, visual flow meter, electrochemical sensor
Filter the incoming air from compressor to supply respirator with grade d quality air and monitors the carbon monoxide level present in the air, provide breathing air for a specific number of workers
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