High-Efficiency Particulate Air Filter (HEPA) 5
High-Efficiency Particulate Air Filter (HEPA) 5 :
A filter that is at least 99.97% efficient in removing monodisperse particles of 0.3 micrometers in diameter. The equivalent NIOSH 42 CFR 84 particulate filters are the N100, R100, and P100 filters. (Source: NIOSH Respirator Selection Logic, 2004. DHHS(NIOSH) Publication No. 2005-100. and Assigned Protection Factors for the Revised Respiratory Protection Standard, 2009. OSHA U.S. Department of Labor Publication No. 3352-02 2009.)
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