KN95 Mask for Sale | Buy FDA Registered Safety KN95 Face ...
KN95 masks are less regulated than N95 masks and do not require as stringent testing and quality control checks and balances as compared to N95 masks. For example, there are no factory audits or specific inspection requirements imposed by the Chinese government with respect to KN95 masks unlike as required by NIOSH and N95 masks in the United ...