mr.smileyface
Well-Known Member
well if your putting a duct on the both ends of both fan your going to loose cfm. I dont care who you think you are, its physics. Your making the fan work harderNo, sir. You are wrong. That analogy wouldn't hold a water balloon.
Different design = different placement
For example:
Squirrel Cage fans = PUSH
In-line fans = PULL
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