In-Line Duct Fan Question

I have a 8ft High 4ft x 5ft grow closet. The temps with no exhaust fan are 89 degrees. I was wondering if a 6" in-line duct fan would be good enough for the room that has 1 feet of ducting going to a vent that is in the grow room door would be sufficient enough? Or I have 2 of these http://www.frys.com/product/7190142?site=sr:SEARCH:MAIN_RSLT_PG could I just add one of them to the end of this http://www.homedepot.com/p/Master-Flow-10-in-x-4-in-to-6-in-Universal-Register-Box-RB10X4X6/100200159#.UmrTOnCsh8E which is connected to my vents. Which should I add to the duct?

It doesn't seem to show the output. But what about odor control? You may want to invest in a 4 or 6" from a hydro store with a carbon filter.

I'm not to worried about odor control. Might eventually add a carbon filter or the sock thing. Don't remember what it's called.

better look for an air cooled reflector/cooltube with a 6'' fan.

I'm using cfl's so that's not going to help any.

The 6 inch duct fan might be enough if your incoming air is cool enough. Are you planning on running intake duct?

Those type of cheap plastic fans are normally only recommended for inlets
when you put ducting on them they lose pressure very badly and the air they remove becomes
much less than stated, also they are not designed to work with higher temps
not saying it will not work, but there are better tools for the job
they will also be loud , the type of motor and blades on that fan is nothing more than a house hold desktop fan but mounted in a shape that can be hooked upto ducting

you need to spend a bit more money to get an inline fine like this
http://www.ebay.co.uk/bhp/6-inline-fan

peace

chino7564 said:

I'm not to worried about odor control. Might eventually add a carbon filter or the sock thing. Don't remember what it's called.

Click to expand...

Your not worried about odor control? Your whole home is going to smell really bad. The smell will absorb into clothes hanging in the closet etc... If cops have a issue with the neighbor and knock on you door... You open it and they smell it then they get two people in the same day! I would get something for odor.... You need it.

Well here is how it looks so far. Went with the PC fan since I already had them anyways. Will check temps in like an hour. I still need to add the intake fan. Tell me what you guys think.

It will be pretty easy to add a carbon filter inside of the duct. Do you guys think that would be good enough for odor control? The fan is actually exhausting a lot of air.

Dropped the temps down to 79 degrees. Humidity is at 40%. And that's without a intake fan added.