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Amazon Shop for: HEPA Filter, Laminar Flow Hood

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InvisibleMrMaddHatter
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Prefilter for HEPA ?
    #4270202 - 06/08/05 01:36 AM (11 years, 9 months ago)

I'm looking for a 12" x 36" (1'x3'), bout 1" thick, prefilter for a HEPA flow hood.

I know "thats big as hell", but thats the size it takes.

Also, would it hurt it any to run it a few times without a prefilter?

I checked all the "mart" stores (ie..Walmart..Kmart). Haven't checked Home depot or lowes yet.

Thanks in advance!
MMH
:cool:


--------------------
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It's always tea-time, and we've no time to wash the things between whiles.

Don't be a fool, this is a war on drugs. Act like. The government sure does!


Edited by MrMaddHatter (06/08/05 01:53 AM)


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Offlinemattymonkey
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Re: Prefilter for HEPA ? [Re: MrMaddHatter]
    #4270508 - 06/08/05 03:37 AM (11 years, 9 months ago)

hmm you dont necessarily need the same size prefilter that you have filter, how do you have your flow hood setup? there is a thread now in advanced cult that describes a good setup for a hood... you want to have the fan enclosed with prefilters before it and the HEPA after it... i recommend using a few prefilters all the same size and just duct tape them together... there is a good tek, http://www.shroomery.org/index/par/7947 check it out
peace


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InvisibleMrMaddHatter
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Re: Prefilter for HEPA ? [Re: mattymonkey]
    #4270551 - 06/08/05 04:02 AM (11 years, 9 months ago)

Thanks for the reply!

Its a 2'x4' HEPA ceiling module. The back of it has a space to slide a prefilter in and it measures 1'x3' and about 1" thick.

Quote:

i recommend using a few prefilters all the same size and just duct tape them together... there is a good tek, http://www.shroomery.org/index/par/7947 check it out




Thats what I'll likely have to do. I found a few 12"x24" at w/mart. Thanks much for the link :thumbup:

EDIT :: OH that link is for how to build some sort of "rigged" HEPA flow hood. The one I got is a TRUE laminar HEPA flow hood ISO 5/Class 100 99.99% @.3 microns.
I just can't find a prefilter to fit the slot :tongue:


Edited by MrMaddHatter (06/08/05 05:07 AM)


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InvisibleRoadkill
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Re: Prefilter for HEPA ? [Re: MrMaddHatter]
    #4270741 - 06/08/05 06:03 AM (11 years, 9 months ago)



--------------------
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PM the names with on there names, that means they have mushrooms for sale.



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Invisibleagar
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Re: Prefilter for HEPA ? [Re: MrMaddHatter]
    #4272072 - 06/08/05 03:48 PM (11 years, 9 months ago)

Not much help to you - BUT........On my old 12/24/24 inch flowhood, I used 3 stacked large round automotive air filters - as a prefilters. Worked GREAT.

I would suggest you NEVER run your flowhood WITHOUT A PREFILTER.


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InvisibleMrMaddHatter
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Re: Prefilter for HEPA ? [Re: agar]
    #4272477 - 06/08/05 05:41 PM (11 years, 9 months ago)

Quote:

I would suggest you NEVER run your flowhood WITHOUT A PREFILTER.


:thumbup:

I contacted the manufacturer and will get the prefilters made for it.

Thanks guys :cool:


--------------------
I hate to advocate drugs, alcohol, violence, or insanity to anyone, but they've always worked for me.
Hunter S. Thompson

It's always tea-time, and we've no time to wash the things between whiles.

Don't be a fool, this is a war on drugs. Act like. The government sure does!


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Amazon Shop for: HEPA Filter, Laminar Flow Hood

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