3M N95 masks produced has passed strict NIOSH certification.3M is an American multinational conglomerate corporation operating in the fields of industry, worker safety, US health care, and consumer goods. And they possess most of the niosh N95 masks. The most influential product is 3M1860. The N95 respirator mask was developed by 3M and approved in 1972. Being able to filter viral particulates, its use was recommended during the COVID-19 pandemic but supply soon became short.
3M brand is trustworthy and each lot can be verified from its website.