Should I have bought the 6" fan for my room?+++rep for help

Currently I have a 400whps in an air cooled hood. I then bought the 4" combo fan/filter from http://www.htgsupply.com/viewproduct.asp?productID=52531. The room I have this in is approximatly 92 cubic feet and the fan is rated for 170 cfm. I am wondering now if the fan is really 170 cfm I mean the ducting really isnt that far from the fan to the light to the carbon filter. The light hood stays cool but the room is still like close to 90 F.

I have a stanley fan sucking in fresh air at the bottom and blowing straight to the carbon filter across the other side. I thought this would push the fresh cooler air through the light path and through the carbon filter and out the room. But I am thinking now that the 6" fan is the one I should've went with.

Also will the 4" filter still be able to hold it down. I'm thinkin so cause I still can't smell anything.

Any help plus rep.

Also planning on moving this to a grow tent here is the link to that. http://www.htgsupply.com/viewproduct.asp?productID=53376. I guess the orignal question was that but now will the 4" fan work for this?

Also the fan is alot closer to the light now that is the semi old set up. I switched the fan around but no pics of that.

damn I guess no one wants to help me out???????

U need to pull the air not push it through.

Move your filter to the top and center of your room above your light. Your fan should also be outside your room if possible.( one less source of heat). Pulling the air thru the filter and then thru the light and exhaust out of the room. I have a four inch fan exhausting a 600 watt in a 4x11 tent. Never gets above 74 degrees. hope this helps.

that fan should work well in ur tent CHEF is right about the fan being out side of the room if it is poss but i dont think so in a tent.....so maybe u need i bigger intake hole...

o and i btw i have a tent made by htg doesnt compare to others not near as good lots of pin holes zipppers not that strong plastic conners not trying to say it wont work but i have a htg tent and a sunhut and the sun huts quality blows the htg hut out of the water here is a link to where i bought mine really happy with it almost same price with shipping and a little more space plus 2 free flanges http://www.growlightexpress.com/grow-enclosures-tents-32/sun-hut-silver-lg-2x4-142.html and those pictures do not do the hut justice its so much better than the pics and is the new heavy duty mylar

I have the dr 150. love it! very well built, no light leaks and lots of intake and exhaust options. I have my fan outside the tent also.

I'm running a Homebox XL 56"x 56" with 600W MH and Air Cooled Hood. I have one end of Reflector open and pull air out of tent through a Can Fan 8" HO reduced to accept 6" ducting. My Can Fan is mounted right on top of Can Filter about 2' to one side of the Homebox. I have the Fan on a variable speed controller at the lowest setting and I keep light temps at 71 deg. like this. '

Intake your air passivley or ditch that intake setup you have its wasting space under your hood. If you don't like the idea of a passive intake look into a Dayton 6" or 4" Axial Fan the 6" moves like 250+ cfm. Also move your scrubber so that your fan is mounted right on top of it and pulling air through the scrubber. This will allow your fan to use the most cfm to pull that air through the scrubber without using so much ducting in between. Also your intake is on the same side of your room as the open end of your reflector this is limiting the air to moving right in and out, not good. A small wall mountable oscilating fan would do you some goos along with a different intake and moving that scrubber. If none of this works, you'll need to be moving more cfm's.

Temperatures close to 90 even if it is consistent will lead to stunting or stopping of growth which will effect your overall yield and possibly will cause hermaphroditism. You should of went with the higher diameter exhaust fan because it would of given you more cfm's therefore increasing the amount of heat being expelled out of your hot area.

Ok so everyone thanks for all the help

Ddub I have the carbon filter sucking the air out that the stanley fan brings in. And I'm pretty sure that that cabon filter only has one flange on it to only suck or blow out of. I also have two tower osicallting fans in there and I'm thinking all those are doing is moving around hot air. I guess I need more cfm's

And deff not possible for the fan to be out side it is in a closet in a room I don't use in my house with black contractor bags tacked to the doors to make it light proof. I cut holes in it to fit the ducting through. One at the top where it exhuasts hot air though the carbon filter. And then the one at the bottom that sucks in fresh air through the stanley fan. I thought this would be ok???????