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How long can you wear a KN95 mask for?
For regular usage you CAN reuse KN95 masks, for at least 40 hours. For high risk environments (hospitals, bars) you dispose of it after a shift. This scientist explains why...
How long can you wear a KN95 mask for?
For regular usage you CAN reuse KN95 masks, for at least 40 hours. For high risk environments (hospitals, bars) you dispose of it after a shift. This scientist explains why...