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Registered: 01/19/99
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multiple fans on flow hoods
    #4556059 - 08/19/05 06:29 PM (11 years, 5 months ago)

Are multiple fans on flow hoods equal to the sum of each? In other words if your filter size calls for 500 cfm @ X" sp, would two 250 cfm (@ X" sp) fans be equal to one 500 cfm fan?

I would assume it wouldn't matter, but there are often technical details that can be easily overlooked. Anybody know?

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Re: multiple fans on flow hoods [Re: mycofile]
    #4560168 - 08/20/05 08:11 PM (11 years, 4 months ago)

Yes you can, but the total electricity usage and heat produced will be more than with one 500cfm.

What size filter are you using? 500cfm would be for a 24" X 24" or larger flowhood. You only want about a 100 feet per minute air speed leaving your flowhood, so for a 12" X 24" flowhood, you'd have a 2 square feet surface area, so a 250cfm fan would give you 125 feet per minute of linear air flow. That would be more than enough.

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Amazon Shop for: Laminar Flow Hood

Mushrooms, Mycology and Psychedelics >> Advanced Mycology

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