5 ms·
It's not hard to build a DIY air filter with a box fan. Lots of videos on youtube.
by gher-shyu3i 5y ago
It's not hard to build a DIY air filter with a box fan. Lots of videos on youtube.
- agumonkey 5y agoBut that just removes the problem into making a fpp / hepa filter
- gher-shyu3i 5y agoYou simply buy them.