2 ms·
4x merv 13 filters. A fan. Now you have yourself a high performing air purifier.
by bjoli 2y ago
4x merv 13 filters.
A fan.
Now you have yourself a high performing air purifier.
- ceejayoz 2y agoYup. We have several of these running. Helps with allergies and when one of us got COVID the rest did not. https://en.wikipedia.org/wiki/Corsi%E2%80%93Rosenthal_Box https://en.wikipedia.org/wiki/Corsi%E2%80%93Rosenthal_Box