ASTM Level 3 Face Mask Requirements - Dental and Surgical ...
Jul 31, 2020·This mask is included on the FDA Emergency Use Authorization (EUA) list, and manufactured by Guangzhou Powecom Labor Insurance Supplies. These KN95 masks were selected after testing KN95 samples from 6+ different manufacturers. By far, these are the best quality, softest, and most comfortable of the KN95 masks PAC received for testing.