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The NIOSH air filtration rating is the U.S. National Institute for Occupational Safety and Health (NIOSH)'s classification of filtering respirators.The ratings describe the ability of the device to protect the wearer from solid and liquid particulates in the air.
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.
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 ...
NIOSH was created by the Occupational Safety and Health Act of 1970 [24] and began operating in May 1971. [22] 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. [24] NIOSH's initial headquarters were located in Rockville ...
The CDC recommends only buying NIOSH-approved N95s, but some are meant for medical workers or hard to buy online. Here’s where to find the best N95s now.
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