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Old 01-20-22, 09:15 AM
  #2788  
Mojo31
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Originally Posted by MoAlpha
A HEPA filter is a disposable device which can be fitted to any air handling system and it doesn’t even have to be HEPA. MERV grades still help a lot and you can make an effective air cleaning device out of a box van and a filter.

I completely understand the lack of popularity trust in the agencies, especially the CDC, whose comms have been simply textbook bad.
That may help on a residential level, but is not going to get you far in a large public building. Schools, courthouses, public office buildings, and the like would require substantial and very expensive retrofitting to get you very far.
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