Air purifying smelly room

Sorry for delay response @Soggy
When i say scrub the air it refers to removing the smell
A charcoal filter os best place filter in tent hung up top
And put motor outside tent small piece of flex duct to connect them up
You can then run discharge duct to where ever you need to
Outside or as i do in winter back into room to recover some of the heat and humidity
They sell c02 bags on Amazon if yor concerned about not haveing enough in the air already

Thanks for the information, Good growing.

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