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2. Mechanical filter (respirator) - Wikipedia

   en.wikipedia.org/wiki/Mechanical_filter_(respirator)

   Filtering facepieces are typically simple, light, single-piece, half-face masks and employ the first three mechanical filter mechanisms in the list above to remove particulates from the air stream. The most common of these is the white, disposable standard N95 variety; another type is the Surgical N95 mask. It is discarded after single use or ...

3. How Much Do Masks Really Cost? From Cloth to KN95, Here ... - AOL

   www.aol.com/much-masks-really-cost-cloth...

   A pack of 10 industrial N95 masks found at hardware stores can be purchased for around $20 but a pack of 20 NIOSH-approved N95 respirators can cost around $29 and up. The CDC also advises ...

4. Counterfeit N95s are out there: How to avoid getting duped - AOL

   www.aol.com/lifestyle/counterfeit-n95s-avoid...

   The Centers for Disease Control and Prevention (CDC) now says that N95 masks can be used by the general public, after more than a year of stating that they should be reserved for healthcare ...

5. 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.

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. You Can Get Free N95 Masks. Here Are 11 Things To Know ... - AOL

   www.aol.com/news/free-n95-masks-11-things...

   The government is shipping free N95 masks to a store near you. Here’s where to get them, when to use them, and why they work better than other masks.View Entire Post › You Can Get Free N95 Masks.

8. Expected CDC guidance on N95 masks outrages health care ... - AOL

   www.aol.com/news/expected-cdc-guidance-n95-masks...

   Do N95 masks work better than surgical masks? A draft proposal from the CDC suggests the two are equivalent in certain hospital settings.

9. File:Understanding the difference between surgical masks and ...

   en.wikipedia.org/wiki/File:Understanding_the...

   This image is a work of the National Institute for Occupational Safety and Health, part of the Centers for Disease Control and Prevention in the United States Department of Health and Human Services, taken or made as part of an employee's official duties.