The KN95 is China's equivalent of the N95 respirator. The N95 is NIOSH certified, and the KN95 meets Chinese government standards.
Performance testing reports that both the N95 and KN95 capture 95% of tiny particles (0.3 microns) and perform the same or similarly in other areas. The main difference is that N95 respirators are slightly more breathable (indicated by inhalation and exhalation pressure drop).
In guidance issued on April 3, 2020, OSHA stated that the KN95 is a reasonable alternative when N95 respirators and other foreign-made equivalents are not available.
This model of KN95 mask is currently approved for use in industrial settings per OSHA Interim Enforcement Guidance dated April 3, 2020
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