3 ms·
From filtering point of view viruses are dust particles of roughly 100 nanometers in diameter and aerosols. Lots of filters are designed to filter this stuff, p
by zzzcpan 7y ago
From filtering point of view viruses are dust particles of roughly 100 nanometers in diameter and aerosols. Lots of filters are designed to filter this stuff, pretty much all ultrafine particle class filters.