We tested the filter material of the 3M 8210 Plus N95 mask. We used a custom setup to perform the testing.
This is the website for PCE.
[ Ссылка ]
We use this particle counter from PCE for the testing device.
[ Ссылка ]
These are some videos from the company.
[ Ссылка ]
This is another mask we tested from Honeywell.
[ Ссылка ]
This is the CDC guide to filters.
[ Ссылка ]
