NPPTL COVID-19 Response: International Respirator …
Resistance (mmH 2 O) Initial Percent Leakage (%) Maximum Percent Leakage (%) Filter Efficiency 1 85 16.9 2.81 97.19 2 85 17.0 2.46 97.54 3 85 16.0 2.13 97.87 4 85 15.7 2.14 97.86 5 85 13.3 2.29 97.71 ... cannot be considered equivalent to N95 respirators that were tested to …
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