Description: N95 vs FFP3 & FFP2 masks - what's the difference?Feb 03, 2020For example the 3M 8812 respirator (FFP1 rated) was able to filter 96.6% of particles 0.007 microns or larger. Suggesting FFP2 or FFP3 would achieve even greater filtration. The below image (click it to expand) shows the size of the coronavirus, relative to other small molecules like a ...
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