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Originally Posted by JSH
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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.
https://www.survivalmonkey.com/threa...2-and-3.68563/
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The most difficult part about building your own home air filter is knowing that a box fan can't pull hardly any air through a number 13 or higher filter.
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1984 chevy suburban, custom made 6.5L diesel turbocharged with a Garrett T76 and Holset HE351VE, 22:1 compression 13psi of intercooled boost.
1989 firebird mostly stock. Aside from the 6-speed manual trans, corvette gen 5 front brakes, 1LE drive shaft, 4th Gen disc brake fbody rear end.
2011 leaf SL, white, portable 240v CHAdeMO, trailer hitch, new batt as of 2014.
Last edited by oil pan 4; 05-10-2022 at 03:15 PM..
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