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2. 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.

3. Where to find NIOSH-approved N95 masks right now - AOL

   www.aol.com/news/where-niosh-approved-n95-masks...

   DemeTECH N95 Respirator $65.00 at Amazon. DemeTECH N95 Respirator $75.00 at DemeTECH. 3M Aura N95 Respirator . 3M’s Aura N95 Respirator is available in a pack of three, 10 or 20. It comprises a ...

4. NIOSH air filtration rating - Wikipedia

   en.wikipedia.org/wiki/NIOSH_air_filtration_rating

   Prior to the approval of 42 CFR 84, MSHA and NIOSH approved respirators under 30 CFR 11. Non-powered respirator filters were classified based on their design against a contaminant, including substances like Dusts, Fumes, Mists, radionuclides, and asbestos. Dust/Mist was usually tested with silica, and Fume was usually tested with lead fume.

5. Usage of personal protective equipment - Wikipedia

   en.wikipedia.org/wiki/Usage_of_personal...

   Respirators range from cheaper, single-use, disposable masks to reusable models with replaceable cartridges. There are two main categories: the air-purifying respirator, which forces contaminated air through a filtering element, and the air-supplied respirator, in which an alternate supply of fresh air is delivered. Within each category ...

6. Powered air-purifying respirator - Wikipedia

   en.wikipedia.org/wiki/Powered_air-purifying...

   A powered air-purifying respirator (PAPR) is a type of respirator used to safeguard workers against contaminated air. PAPRs consist of a headgear-and-fan assembly that takes ambient air contaminated with one or more type of pollutant or pathogen , actively removes (filters) a sufficient proportion of these hazards, and then delivers the clean ...

7. 14 KN95 Face Masks To Protect Yourself From The Latest COVID ...

   www.aol.com/lifestyle/14-best-kn95-face-masks...

   These 14 options are CDC approved. KN95 face masks offer better filtration than cloth or surgical masks. But which protect you from COVID and new variants? These 14 options are CDC approved.