Minnesota-based 3M still ships millions of respirators, though health care is not the major market it briefly was.

SKIP AHEAD The best N95 masks to shop | How to wear N95 masks | When to wear a face mask | Why trust NBC Select? Want more from NBC Select? Sign up for our newsletter, The Selection, and shop smarter.

Five years after Donald Trump declared a national COVID emergency, here's what the research says about face masks.

It filters 95% of particulate matter, just like the N95 mask, says Dr. Nina Shapiro, a pediatric ear, nose and throat specialist at Westside Head and Neck in California. KN95 masks are the Chinese ...

A Duke study showed that less than 0.1% of droplets were transmitted through an N95 mask while the wearer was speaking. That's why they're generally reserved for healthcare workers. But the Food ...

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 ...

The coronavirus outbreak around the globe has led to a shortage of protective face masks. The Centers for Disease Control and Prevention says healthcare workers should use homemade masks as a last ...

For yard work, the BASE CAMP M Pro offers 99.6% filtration with its 6-layer FFP2 filter, blocking dust, pollen, and fumes ...