Passive Exhaust Vent Size? (Not Intake)

Discussion in 'Grow Room Design/Setup' started by danczwflowrz, Jun 14, 2013.

  1. I have an exhaust fan & intake vent already for my main room, but I'm creating a small veg room within the room (using panda film). I will be using a small intake duct booster fan and I was wondering if the passive exhaust vent should be twice the area of the fan, just as is for passive intake vents when exhaust fans are present.

    I've had someone say that it should be the same size and another person say it should be the same as a passive intake vent, in that it should be twice the area of the fan diameter.

     

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