This disposable P100 mask by 3M is approved by the National Institute for Occupational Safety and Health and promises to ...
As human-driven warming fuels extreme weather patterns across the West — including fires and record heat — outdoor ...
Thick smoke from ... said face masks were an option. "They're not for everyone. They need to be fitted properly. If they're not fitted properly, they're not working," he said. "'Close everything up.
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