The hood contains a HEPA filter that removes more than 99.97 percent of submicron particles such as anthrax, smallpox, and radioactive particles.

 
  • 这种救生罩带有一个HEPA过滤器,它能过滤超过99.;97%25的细微颗粒,如炭疽,天花和放射性粒子。
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