https://www.kqed.org/news/11706160/how-particulate-respirator-masks-work
The California Department of Public Health recommends the public wear particulate respirator masks labeled N95 or P100 to protect themselves from polluted air.
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https://slickdeals.net/f/18960613-3m-aura-particulate-respirator-9205-n95-pack-of-440-disposable-respirators-29-99-from-woot-amazon?utm_medium=share&utm_campaign=deal-details&utm_source=Desktop%20Redesign&utm_term=client-d48feabaf2c011f09a924af2256977a5&utm_content=thread-18960613
Title says it all. i haven't ever seen these from Amazon at this price Probably very LOW probability of counterfeit....
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