Quote Originally Posted by Sunmaid
Not sure which fan you're talkin' about. But the inline is 6", from HTG and the little purple one I think is 5". Its a powerful little fan
Is it just me, or is my cool tube ridiculously long for a 400w? :/
It can be used with all HPS lamps. A 400 is just a short lil' bulb. Good one though! You don't wanna know what I started with... The inline would be the one. What cfm is it? Just wondering if your tent is kinda sucked in,or what..