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blowdro
09-04-2010, 07:40 AM
:confused:I would like to get a growlab 120 which is 3' 11''x 3'11''x 6'7''.I allso want to use a 600 watt air-cooled light.I need to know what size fan and filter I would need.I can't understand ventalation part 1 in the faq part of this website. I am doing something wrong please help thanks. when i try to figger it out even though the answer is right there I still get the wrong answer.:confused:

Unregistered
08-05-2011, 03:54 PM
Im running the exact setup your thinking about. 600 watt m.h. or h.p.s. in grow lab 120 for ventilation i'm using two 4"vortex inine fans one for intake and other exhaust. The Grow Lab is just over 100 cubic feet, the 4" vortex inline fans run at 172 cubic feet per minute. thats what ive been doing and has been working great. the intake/exhaust ports are wide enough for any size ventilation you want.