People tested them. That's especially true for brand names like 3M.
Would you link to the tests? My masks were made in South Korea, and I bought directly from the
manufacturer's US-based distributor.
Also link please! People tested them. That's especially true for brand names like 3M.
Would you link to the tests? My masks were made in South Korea, and I bought directly from the
manufacturer's US-based distributor.
Also link please!No comments yet.