Chamomile 🐑 on Nostr: npub1vg40c…s2yt8 If you're on a budget, there's a lot of info out there on ...

npub1vg40cghujj2gtg9g5cs7d3x2crvgd80pxc6eklrv95qk2fyaz03q7s2yt8 (npub1vg4…2yt8) If you're on a budget, there's a lot of info out there on corsi-rosenthal boxes - basically taping a bunch of furnace filters together and sticking a box fan on the end. They gained a lot of attention during wildfire season for being very effective at filtering out particulates. Or doing what I do and just taping one filter on the end of the box fan - does a decent job for like $40.