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The N95 mask is a filtering facepiece respirator (FFR) that meets the United States standard of NIOSH-42CFR84. The KN95 — the Chinese version of the same mask— …

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Effectiveness of N95 respirators versus surgical masks in . May 17, 2016 · (The search strategies are available in Appendix 1, Tables S1S9.) The search start date marks 4 years before N95 respirators became a part of standard respiratory protective equipment among health care workers in the United States.

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Whether it is the European en149 face mask standard or the American NIOSH face mask standard, it is specified to use the American TSI-8130 Automated Filter Testers instrument for detection. American NIOSH Face Mask standard N-type uses the NaCl method, R type uses the DOP method, European standard uses the DOP method.

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