Masks come in a pack of 20. DemeTech’s N95s are ... length of use for their masks on the box or online. But in general, you should throw out your N95 if it gets damaged — crumpled up in ...

Still, the masks — called N95 filtering facepiece respirators — may still offer protection against the coronavirus even after their expiration date, according to experts. "N95 masks really don ...

To remedy the N95-standard face mask shortage at Japan hospitals caused by the COVID-19 pandemic, a medical institution and three companies in the Kansai region have teamed to develop and produce ...

A major US mask manufacturer, 3M, says the government has asked it to stop exporting US-made N95 respirator masks to Canada and Latin America. The request had "significant humanitarian ...