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  • Member Since: June 23rd, 2020
  • Website: kawaiifashionshop.com
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During an epidemic, pandemic, or in an emergency, health authorities often refer to these standards when making recommendations for respirators. For example, they give the recommendation “Use protective masks of the type FFP2, N95,KN95, or an equivalent mask”. According to the official comparison of 3M, the following protective masks can be described as “equivalent” in the filtering of bioaerosols (e.g. viruses, coronavirus), air pollution PM2.5, or Vuklan bridges: