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You can add portable air filters, either units made specifically for it, or homemade Corsi-Rosenthal boxes. https://en.wikipedia.org/wiki/Corsi%E2%80%93Rosenth
by dv_dt 3y ago
You can add portable air filters, either units made specifically for it, or homemade Corsi-Rosenthal boxes.
https://en.wikipedia.org/wiki/Corsi%E2%80%93Rosenthal_Box https://en.wikipedia.org/wiki/Corsi%E2%80%93Rosenthal_Box