Fans on the intake are unnecessary. The suction caused by the exhaust fan(s) will pull the air in just fine.

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Rusty Trichome Reviewed by Rusty Trichome on . Ventallation Question Ok, I have my new cabinet that I am going to use as a garden. My only question is where I should have spaces for ventalation. I am guessing that since there are two sides, I will need two vent's for outgoing, but where should i put them? On the top, or towards the bottom? Or does it matter? I will be using duct fans to push air out (and in, i suppose), so I will have a bunch of 4" holes when its done. Anyway, can someone take a look at the unit here and give me an opinion? Thanks Rating: 5