Quote Originally Posted by valstar
I get to repay the favor of you helping me in another thread :thumbsup:. I found these on another site a do it your self thread on carbon filters. Theres more threads on it too with pics and every thing on this site. Very nice grow site.

DIY Carbon Filter Compendium - Grasscity.com Forums

Hope it helps.
Thank You, Very appreciated:thumbsup:!