Do HEPA Filters Really Catch Coronavirus Particles?

faye mcneill engineering lab 4

Got questions about air purifiers and filters, and how to use them (and other tools) effectively during #Covid19? Chemical engineering professor Faye McNeill has answers.

Aerosol scientist Faye McNeill explains air purifier basics, why masks really do work, and how chemistry experiments and computer simulations in the lab translate to environmental policy.