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Cov Npog Ncauj N95 Uas Siv Tau Ib Zaug Xwb Tsis Muaj Qhov Valve
NIOSH tau pom zoo N95 pov tseg particulate respirator rau kev tiv thaiv kev ua pa ntawm tsawg kawg 95% kev lim dej zoo hauv cov chaw ua haujlwm ib puag ncig los ntawm cov khoom me me uas tsis yog roj.
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Cov Npog Ncauj N95 Uas Siv Tau Ib Zaug Xwb Nrog Lub Qhov (Valve)
Makrite 9500V-N95 particulate respirator yog NIOSH pom zoo N95 pov tseg particulate respirator rau kev tiv thaiv kev ua pa ntawm tsawg kawg 95% kev lim dej zoo hauv chaw ua haujlwm ib puag ncig los ntawm cov khoom me me uas tsis yog roj.
