Exhaust Fan Needed!

Discussion in 'Growing Marijuana Indoors' started by Revelations, Dec 1, 2011.

  1. I need help figuring out what kind of exhaust fans to run. I have a 20x7x11 room so I need close to 300 CFM for my grow space. I was wondering if anyone had any suggestions as to any exhaust fans that run very QUIET and close to 300 CFM or sufficient enough for my grow area? I plan on running 2 1000w HPS's in my flowering space and 1 MH possibly in the other area and was also wondering if my single 8" vortex inline fan w/ ducting would be sufficient enough to vent all 3? Thanks.
  2. A 8" inline fan should produce more than 300CFM... I have 6" inline fans producing 8-900 CFMs. An 8" inline fan should be able to handle 3 lights, no problem


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