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Originally Posted by TheElkTreeFunk I'm using two portable fans to substitute air circulation... |
you would still need an intake and exhaust hole to keep fresh air coming in and stale air going out - otherwise you're just blowing around stale air with your two fans.
So you can put the carbon scrubber on the exhaust hole - but without a fan blowing out, the air pressure alone may not be enough to cause the air to exit through the hole.