Inline Carbon Filter

one thing you could potentially do is put an external fan on the outside of your house and then run a PVC pipe up above the roofline from that fan.

see this post: Re-vamped venting setup

and this photo in that post.

image

if you run it up above the roofline, it’s more likely to dissipate before getting down to window or ground level. especially if there’s any wind going on.

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