Dry Ice or CO2 Cooling

• Active cooling system that is powered and cooled utilizing liquid Co2.
  
• Can be made from FR (Fire Retardant) materials
• Advantages of using this type of Cooling system are; can be worn over or under your clothes, can be used in explosive environments (intrinsically safe areas), lightweight, cools two times first via the liquid CO2 that passes through the manifold and secondly from the evaporation from liquid to gaseous state. 
• Disandantages - You need to have a compressed liquid CO2 station nearby to recharge the canister