Q. Difference between 3M and Prestige Amritech respirators?

Answer

3M filters 95% of particles above 0.3 microns; the Prestige Ameritech managed to filter out 99% of particles above 0.1 in micron diameters. Notably the ventilation provided by the 3M masks is way better than the ventilation that the Prestige Ameritech provides.

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