Battlefield Countermeasures Ducting

DU is the ONLY military-specific HVAC system duct supplier that has designed and manufactured countermeasures ducting using specialty Chemical Biological (CB) barrier fabric that successfully passed the following testing requirements:

72- hour exposure in accordance with TOP 8-2-501 (Method 4. 3.4):

  • Hydrocyanic Acid
  • Cyanogen Chloride
  • Sarin
  • Mustard
  • Thickened Soman
  • VX

8-hour exposure in accordance with ASTM F739 for 24 lethal chemical and biological agents.