Nah, just install fan in, one fan out. that'll work for ya. It's kinda hard to pressurize a tent
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