J blue on Nostr: nprofile1q…haw60 well, the filter walls are connected to chimneys and it forces the ...

nprofile1qy2hwumn8ghj7un9d3shjtnyd968gmewwp6kyqpq0f6g0enatz6g8rzm5nx8gl02m8wfnkms57zrralt5hdp5kj3k3mslhaw60 (nprofile…aw60) well, the filter walls are connected to chimneys and it forces the chimney smoke through the roots to the outside so I’m not sure how it would work unless it’s the reverse, for cleaning air that goes into buildings