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  2. Stock up on KN95s: These FDA-approved masks are on sale ... - AOL

    www.aol.com/lifestyle/stock-kn95s-fda-approved...

    Shop it: N95 Mask Co. KN95 Face Mask, 50-Pack, $130 (was $150), n95maskco.com The reviews quoted above reflect the most recent versions at the time of publication. Read More from Yahoo Lifestyle :

  3. Stock up on KN95s after the updated CDC guidelines ... - AOL

    www.aol.com/lifestyle/stock-kn95s-updated-cdc...

    Shop it: N95 Mask Co. KN95 Face Mask, 50-Pack, $130 (was $150), n95maskco.com The reviews quoted above reflect the most recent versions at the time of publication. Read more from Yahoo Life:

  4. Stock up on KN95s: These FDA-authorized masks are just ... - AOL

    www.aol.com/lifestyle/stock-kn95s-fda-authorized...

    KN95 masks are very similar to N-95 masks, Dr. William Schaffner, infectious disease specialist and professor at the Vanderbilt University School of Medicine, tells Yahoo Life.

  5. Respirator - Wikipedia

    en.wikipedia.org/wiki/Respirator

    The fitting characteristic of a respirator is the ability of the mask to separate a worker's respiratory system from ambient air. This is achieved by tightly pressing the mask flush against the face (without gaps) to ensure an efficient seal on the mask perimeter.

  6. NIOSH air filtration rating - Wikipedia

    en.wikipedia.org/wiki/NIOSH_air_filtration_rating

    During the COVID-19 pandemic, the mask and respirator market rapidly grew, along with counterfeit respirators. [1] NIOSH, on behalf of the Department of Health and Human Services, filed a trademark application on June 17, 2020, for various 42 CFR 84 trademarks, including the N95, allowing NIOSH to enforce rules on counterfeit masks outside of rules defined in 42 CFR 84.

  7. N95 respirator - Wikipedia

    en.wikipedia.org/wiki/N95_respirator

    An N95 respirator is a disposable filtering facepiece respirator or reusable elastomeric respirator filter that meets the U.S. National Institute for Occupational Safety and Health (NIOSH) N95 standard of air filtration, filtering at least 95% of airborne particles that have a mass median aerodynamic diameter of 0.3 micrometers under 42 CFR 84, effective July 10, 1995.

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