Here are 10 ways to tell that a face mask has not actually been approved by the National Institute for Occupational Safety and Health (NIOSH) as a N95 respirator.
Is Your N95 Respirator A Counterfeit? How To Spot Fake Face Masks
Here are 10 ways to tell that a face mask has not actually been approved by the National Institute for Occupational Safety and Health (NIOSH) as a N95 respirator.