well see i dont wana build a cool tube right now these light we'll get upgraded in the futur but do u recomend fluorescent or CFL cause that is my two choises for what i am going to use....


for outtake fan i saw on the canadiantire.ca site of a duck fan, a simple fan that goes into a duck here is whatit said about it

FAN, BOOSTER DUCT
ModelB100ADJ 6-8"
HH Item Number: 5532-239
- For automatic year round control of your
inductor
- Boost airflow up to 100%
- Operate for pennies a day
- Simple to install
- For boosting duct airflow, general ventilation
and/or exhaust
- Designed to be used with the "Ductstat" for
even easier installations (5532-248)
- Models to fit 6 to 8" ducts
- Max Boosted CFM: 250
- Free Air CFM: 160
- Amps: 0.35
- Housing Length: 4" x 11"
- dBA: 50
- Blade Type: Polycarbonate

still not good enough(no experince with fans n junk just for ur info)