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How Long Can an N95 Mask Be Worn Before Replacing It?

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The CDC now recommends N95 or KN95 disposable respirators for added protection from COVID-19. Depending on use, N95 masks can be worn more than once.

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N95 Respirator Mask, Fold Style, NIOSH APPROVED, (Box of 20 ), Size: R – DemeTECH Corporation

You need a better mask. Why it's time to upgrade to an N95 or KN95.

N95 masks without training may protect poorly against Covid-19 - STAT

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