Intake and exhaust are both 4” holes, the intake also goes through small holes drilled I’ll add pictures so you can see
That was with the computer fan at first then I put the squirrel fan in
No I haven’t checked out that calculator and I sure wish I knew about it before hand! I just went with 4” due to the small grow cab. I mean, it works for now! I’m the build and work with it as it goes kinda guy instead of hours of research then plan specifically detailedish spec ops world domination type planning
thanks for all the info y’all my mind has flourished much in this department
First: I like your cabinet. It looks really clean and nice.
Second: I was under the impression that your intake vent should be twice as big as your exhaust which is how mine is setup.
I think it’s for passive intakes though.
All the best
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