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2. 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.

3. Elastomeric respirator - Wikipedia

   en.wikipedia.org/wiki/Elastomeric_respirator

   A powered air-purifying respirator is an elastomeric mask with a battery-powered fan to force air in (except loose-fitting PAPRs) Chemical cartridge for chemical filters used with elastomeric respirators; Mechanical filter respirator for other types of particulate filters; Respirator fit test

4. 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 ...

5. Trump Clinches Respirator Mask Deal With 3M - AOL

   www.aol.com/news/trump-clinches-respirator-mask...

   The Trump administration and 3M (MMM), the U.S. manufacturer announced a joint initiative to import 166.5 million of its N95 respirator masks over a three-month period.Under the terms of the plan ...

6. Mechanical filter (respirator) - Wikipedia

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

   Filtering half mask, reusable elastomeric respirator with pink replaceable pancake filters and grey exhalation valve Full-face elastomeric respirators seal better. [1] Mechanical filters, a part of particulate respirators, are a class of filter for air-purifying respirators that mechanically stops particulates from reaching the wearer's nose ...

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

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

   Powecom is one of the only KN95 mask brands recommended ... Stock up on KN95s: These FDA-approved masks are on sale for $1 a pop at Amazon ... those without Prime still get free shipping on orders ...