15 () posted 2 years ago by MOCKxTHExCROSS 2 years ago by MOCKxTHExCROSS +16 / -1 22 comments share 22 comments share save hide report block hide replies
I think gravity is an effective filter given its atomic weight so a downward facing snorkel used to prevent rain intrusion might be enough for air filtration. Not sure about effect upon plants or ability to mitigate.