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  2. NIOSH air filtration rating - Wikipedia

    en.wikipedia.org/wiki/NIOSH_air_filtration_rating

    NPPTL is the designated publisher of the NIOSH Certified Equipment List, or CEL. The CEL is a public domain database that details the respirators currently approved by NIOSH, and is ordered separated based on type of respirator, which is designated with a schedule (e.g. TC-84A). [50] The CEL was initially released in paper form on September 30 ...

  3. Mechanical filter (respirator) - Wikipedia

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

    tc-84a, tc-21c [ edit on Wikidata ] Filtering half mask, reusable elastomeric respirator with pink replaceable pancake filters and grey exhalation valve Full-face elastomeric respirators seal better.

  4. National Institute for Occupational Safety and Health

    en.wikipedia.org/wiki/National_Institute_for...

    NIOSH was created by the Occupational Safety and Health Act of 1970 [25] and began operating in May 1971. [23] It was originally part of the Health Services and Mental Health Administration, and was transferred into what was then called the Center for Disease Control (CDC) in 1973. [25] NIOSH's initial headquarters were located in Rockville ...

  5. 9 NIOSH-Approved N95 Respirator Face Masks You Should ... - AOL

    www.aol.com/news/6-niosh-approved-n95-respirator...

    Trust us, we checked. For premium support please call: 800-290-4726 more ways to reach us

  6. 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.

  7. Where to Find the Best NIOSH-Approved KN95, N95 and KF94 ...

    www.aol.com/entertainment/where-best-niosh...

    The surgical N95 is a NIOSH-approved N95 respirator that has also been cleared by the Food and Drug Administration as a surgical mask. KN95 masks are the Chinese equivalent of N95 masks and meet ...

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