This is like THE mask - 3M 1860 N95 Review

3M 1860 N95 manufactured by 3M
Check out the results here: www.armbrustus...
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Testing Methodology: In these videos we test mask breathability and filtration on our Particulate Filtration Efficiency Machine (PFE).
Find out more:
•The Four Things to Look for in a Mask: • 4 Things to Look For i...
•How Does a PFE Machine Work: • How Does A Particulate...

[@oldschool8292]

3M does seem to make good masks but again it's all in the fit.

[@FitTestThePlanet]

This thing is scratchy as hell and pretty outdated.