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OfflineMushLoveDenver
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Registered: 07/24/20
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Another Flow Hood Squirrel Cage Help Thread!
    #26957929 - 09/27/20 07:33 PM (3 years, 4 months ago)

Hey Guys,

So I'm in the process of making a laminar flow hood and want to be sure I'm on the right track for purchasing the blower.  My specs on the hepa are:

Penetration: .0001%
Resistance: </= 1.0 IN W.G.
Test Flow Rate: 550 CFM
Size: 24"x24"x5.875"

SO with the calculations that should be a required CFM of 400, correct?  I do plan on adding a prefilter.  Should I account for that as well? 

Basically I really just need to know that if I buy a blower fan around 600 CFM if I should be alright?  Anyone have any blower recommendations?  I also heard I can find blower fans secondhand from HVAC installers.  Is that true?  Budget is pretty tight at this point..  Thank you!


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InvisiblebodhisattaMDiscordReddit
Smurf real estate agent
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Registered: 04/30/13
Posts: 61,890
Loc: Milky way
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Re: Another Flow Hood Squirrel Cage Help Thread! [Re: MushLoveDenver]
    #26959737 - 09/29/20 05:14 AM (3 years, 4 months ago)

I guess 2x2 = 4sq ft x 100fpm = 400 is a calculation but it's second grade math.


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