If price is not an issue, you can buy a setup designed specifically for this issue.

If price is an issue, Zandor has this explanation of how to build a chamber outta wood and filters that will work.

Somewhere around here I saw a step by step intro on how to build one.....I just preferred to buy the shit and it works perfectly.

HAPPY SMELL HIDING FROM THE NEIGHBORHOOD ASSOCIATION
HARDDON Reviewed by HARDDON on . Grow Room Setup Hi all can anyone help ive setup my cabinet in my garage at home, Ive set the fan up to extract the air into the garage apossed to outside. Will this be ok? I know that these plants require a large amount of Carbon Dioxide. Rating: 5