3 ms·
Because FFP3 is a European standard, and you can buy N99 or P100 masks in the US?
by amluto 3y ago
Because FFP3 is a European standard, and you can buy N99 or P100 masks in the US?
- nikolay 3y ago3M does not sell in America any disposable face masks above the N95 grade. There are some that are valved, but they are unfair as I don't want to infect others as much as I want others not to infect me.