Hanging air filtrationDIY box fan or commercially available like Rikon or Jet or something else. Concerned about lung health. Opinions requested Sent from AOL on Android -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://crwoodturner.com/pipermail/crw-talk_crwoodturner.com/attachments/20241213/74080b4d/attachment.html>