get 2 10" cheapo box fans from a drug-store or walmart, use them. Cutting a hole in the bottom with no fan does work, but you need a TON of exhaust going out.
4x5 Reviewed by 4x5 on . advice needed hey evry1 .. im goin to fit my carbon filter very soon.. but how big does the hole have to be thats suckin air INTO my grow tent?? or should i say how big would the fan have to be?? would this small pc like fan do? :thumbsup: Rating: 5