American army grade nuclear biological and chemical protective system.The windstorm 2203-type nuclear-grade CBRN protective system can bring the environment to the state of positive pressure within 10 to 30 seconds after being started to isolate nuclear pollution, biological pollution and chemical pollution physically.It can also filtrate biological and chemical poison gases such as fallout, sarin, mustard gas, VX nerve poison, carbonyl chloride and chlorine.

Efficiency detection MPPS0.1-0.2μm. The filtration efficiency reaches 99.99959%.