Can’t hurt We Added 4 DIY filters to the gym.

https://www.texairfilters.com/how-a-merv-13-air-filter-and-a-box-fan-can-help-fight-covid-19/


AUGUST 6, 2020 BY JIM ROSENTHAL

How a MERV 13 Air Filter and a Box Fan Can Help Fight Covid-19

By Jim Rosenthal, CAFS A MERV 13 filter and a box fan? It is definitely not a new idea. It has been floating around for years. However, in the era of Covid-19, it is time to take all of the tools out of the toolbox. This simple, inexpensive air cleaning device can remove substantial amounts of particles from the air and reduce exposure to airborne Covid19.

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