There's some errors there.
N95 is 95% @ 0.3 microns, not 30.
It actually works better on smaller particles, 0.3 microns is just the standard.
filteranon
There's some errors there.
N95 is 95% @ 0.3 microns, not 30.
It actually works better on smaller particles, 0.3 microns is just the standard.
filteranon