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Microns and Nanometers
Posted to Open Discussion Forum on 4/2/2020 40 Replies

Just did a quick search on the Covid -19 virus size. Seems it's anywhere from 60-160nm.

N-95 filter mask claimed particulate filtration size 0.3 microns

New Bosch HEPA cabin air filter claimed particulate filtration size 0.3 microns

Nanometer to Micron c... Login to read more.

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