Quote:
Originally Posted by screwdababylon!
----- 1 this is a heat isolation material - on one side its kind of soft plastic foam and on the other is this foil thing u see ------ 2 im starting to think that the big exhaust fan is broken or something - anyway i think ill take out the intake fan ant connect it to my filter box as a second exhaust fan - my setup allows me to do this ------ thanks for the feedback
peace
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You really want a neg. pressure in the box,why dont you just check the fans operation or switch it with another of the same to see whats up?