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Amazon Shop for: Agar, HEPA Filter, Laminar Flow Hood

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Invisiblebackupwards
peon

Registered: 04/02/05
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flow hoods
    #4474083 - 07/30/05 06:02 PM (11 years, 8 months ago)

which is better: a vertical or horizontal laminar flow hood?
i am in the process of putting one together, so any advice or info is greatly appreciated.
thanks
peace  :whistling:


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Invisibleagar
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Re: flow hoods [Re: backupwards]
    #4474232 - 07/30/05 06:50 PM (11 years, 8 months ago)

So long as the flow out of the filter is LAMINAR......either way works.


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peon

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Re: flow hoods [Re: agar]
    #4474319 - 07/30/05 07:25 PM (11 years, 8 months ago)

thanks agar, for that and for the hook up on the hepa filters on ebay. got one for 75 bucks that is 2'x2' w/resistance of 1.4 and penetration of .008. not sure what the penetration means? also test flow of 2000cfm?
any help.
i know i need to find a fan now that is at least 400 cfm to give me a work area of 100cfm. any brand/model no. would be great. am going to keep looking on ebay for one, seen some that may work for cheap.
thanks again
peace


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Invisibleagar
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Re: flow hoods [Re: backupwards]
    #4474374 - 07/30/05 07:44 PM (11 years, 8 months ago)

Get out the LOCAL phone BOOK, call local FURNACE REPAIR & REPLACEMENT places. They OFTEN have several older type household furnaces - they replaced with a new one, in their scap yard area. They have fan & motor assemblies (intact) in them.

When I built my first F/H, on 4th call.... I found a place that had several. They told me I could have one or all for $20 each. But, I had to pull them out. I took a little tool box with me & came home with three (3) great ones for $60.

Also, if any have a variable speed fan motor control in them, pull that sucker out - to :grin: :thumbup:.


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peon

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Re: flow hoods [Re: agar]
    #4474386 - 07/30/05 07:49 PM (11 years, 8 months ago)

ah, always the man with the good scores. thanks will do that monday.

can ya tell me what the penetration (not sex) and test flow #'s mean?

always appreciated
peace


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Invisibleagar
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Re: flow hoods [Re: backupwards]
    #4474430 - 07/30/05 08:06 PM (11 years, 8 months ago)

READ THIS  :wink:

You are in good shape. You will have very very very low penatration. As - it was tested @ 2000 cfm & you will be running it at a MUCH MUCH LOWER cfm.


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Re: flow hoods [Re: agar]
    #4474468 - 07/30/05 08:17 PM (11 years, 8 months ago)

got a understanding of it all now.
much obliged, any other tips that might come in handy as i build this thang?
going with a horizontal.
peace


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Amazon Shop for: Agar, HEPA Filter, Laminar Flow Hood

Mushrooms, Mycology and Psychedelics >> Mushroom Cultivation

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