I just recently finished building my cab, I have a few more things to pick up if needed. And that is where I come in and ask for some professional help. My cab is 4.3'x2'x3.8'. Now I know that the first returning comment is going to be that I don't have enough height, well, I do. I am planning on doing some scrogg growing, and I figured everything out before I built my cab, althought I wish I had a minimum of 6" more of height. Now with the space that I have, I figured that a 90cfm fan would be plenty(bathroom fan from RONA), but after hooking all of my ducting up my temps are still mid-high 90's. So my first question would be, should I put an in-line ducting fan into my ducting? It is rated for an additional 160cfm. See fan here: http://www.homedepot.com/prel80/HDUS...4+3573&pos=n05
The carbon filter that I have is a 94cfm can filter, what I was wondering is. If I add this fan to my line of ducting, will my filter become utterly useless?
And my second question in relation to the fan, can the cfm rating of a fan be reduced by the length of your ducting? if so, if I put that fan into my line, can I add more length of duction to reduce the cfm?

MEME
MEME Reviewed by MEME on . cab question I just recently finished building my cab, I have a few more things to pick up if needed. And that is where I come in and ask for some professional help. My cab is 4.3'x2'x3.8'. Now I know that the first returning comment is going to be that I don't have enough height, well, I do. I am planning on doing some scrogg growing, and I figured everything out before I built my cab, althought I wish I had a minimum of 6" more of height. Now with the space that I have, I figured that a 90cfm fan would be Rating: 5