How long can you wear your N95, according to experts

An N95’s mask material and ability to filtrate pathogens is not compromised unless someone physically rubs or pokes holes in it. So how long can you wear one? According to a professor of civil and environmental engineering, you can wear then for a really long time. Some speculate that you can wear them up to 40 hours. They are only considered single use due to their nature of being used for medical professionals. In order to increase the amount of time appropriate to reuse the mask, avoid touching the outer part of the mask when you are putting it on your face. If the mask is visibly damp, dirty, or creased, consider swapping it out for a new mask.

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