This disposable P100 mask by 3M is approved by the National Institute for Occupational Safety and Health and promises to ...

Collins’s testing showed that Powecom masks filter out over 95 percent of airborne particles. According to Lang, a respirator mask with a P100 filter is very effective at stopping smoke ...

through an N95 mask outside a Sprouts grocery store in the Mid-City neighborhood. That's not where she lives. Like thousands of residents, she's left home to get away from the smoke. Now she and ...