sucker asks. 3.5'x3.5'x6.0' grow room, 2.5'x2.5'x6.0 veg room. 400 metal halide in veg room, 400 hps in grow room. 8' inline ehaust fan in both, passive air vent to inside. Charcoal filter in grow room. Will this work? Please reply if you choose. I am really not a sucker but love new info.