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binkHN
on Aug 6, 2021
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Scientist says cleaning indoor air could make us h...
Gas and it vents outside.
MengerSponge
on Aug 8, 2021
[–]
Airflow is hard, but any combination of fan isn't powerful enough, too far away, or a strong cross-current (from A/C, say) will prevent the hood from moving enough waste outside
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