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Old 05-10-2022, 04:18 PM   #19 (permalink)
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Originally Posted by oil pan 4 View Post
Nope won't work. A box fan barely develops any pressure differential, it works great with cheap filter that you can see through to pull big chunky dust out of the air. But put a merv13 on there and nearly no air moves. I use 2 bathroom fans to pull through 24x24 merv16 filters, the bathroom fans pull air through those filter like they aren't even there.
The data says otherwise
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