Quote Originally Posted by jakester
Put an inline or squirrel cage exhaust near the top of the tent and it will suck air through a filter at the bottom of the tent. How much more in depth you want to get is up to you. You could put a carbon scrubber at the exhaust and a hepa filter at the inlets...lots you could do.
I know I've seen this discussed before, but I forgot the consensus.

Is it better to push or pull air through a carbon filter? I'm guessing it's better to pull it / suck it through like you suggested...
lampost Reviewed by lampost on . air flow help I have a 4x4' Mylar HYDROPONIC GROW TENT 48x48x76 HYDRO BOX HUT. using a 400W HPS tent has 3 exhaust holes... one I am using for the power cords to go out.. have a osculating fan in there now my question is WHAT DO I DO FOR AIR FLOW? SHOULD I GET AN INLINE FAN WITH DUCTING TO BRING AIR IN? AND GET ANOTHER INLINE FAN TURNED AROUND TO TAKE AIR OUT?? THIS IS THE PART I AM VERY CONFUSED ABOUT.. IF ANYONE COULD PUT THE WHOLE THING IN LAYMANS TERMS(OR JUST IM A DUMBASS TERMS) ID Rating: 5