Check out Part 5 of our #KnowBetterBreatheBetter #Covid19 series where we examine studies that show how adding enhanced #AirFiltration can reduce infections, make your mask more effective for longer, and can even be the difference between getting infected or not, in "The Interplay of Time, Viral Density, and Filtration" at
https://airsupportproject.com/interplay-of-time-viral-density-and-filtration/