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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.
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.
It also maintains certification for N95 respirators, [11] and hosts an annual education day for N95 education. [14] Its emergency response research is part of a collaboration with the National Fire Protection Association. [12] In the 2010s, the NPPTL has focused on pandemic influenza preparedness, CBRNE incidents, miner PPE, and nanotechnology ...
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 ...
TerraCycle also takes back all types of masks — including N95 and surgical — bought anywhere, directly from the consumer, through a convenient if pricey Zero Waste Box, which can be shipped to ...
Elastomeric respirators without these modifications muffle the wearer's speech more than filtering facepiece respirators (FFRs) such as N95 respirators. In some studies, this was a major reason why healthcare workers preferred to wear FFRs. [5]