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Invisibleshadyshroomie
MycoCurious
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Registered: 10/29/20
Posts: 60
HEPA Filter on Clearance
    #27145790 - 01/13/21 01:12 PM (2 days, 11 hours ago)

24" x 24" x 12" HEPA

Found this on clearance for $190 if anyone else is also searching like me.

Before I purchase, can anyone confirm this will be adequate? Would hate to send it and make the purchase for it to not be what I need


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InvisibleCamera93S
I'm God's manure


Registered: 08/15/18
Posts: 1,926
Re: HEPA Filter on Clearance [Re: shadyshroomie]
    #27145825 - 01/13/21 01:28 PM (2 days, 10 hours ago)

looks like it only filters to .3 microns
looking for .001


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Let's All Grow Mushrooms 2020
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Invisibleshadyshroomie
MycoCurious
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Re: HEPA Filter on Clearance [Re: Camera93]
    #27145875 - 01/13/21 01:48 PM (2 days, 10 hours ago)

Seems like 0.3 microns is the smallest I can find. Cant find 0.001 microns, that would be ridiculously small no? Most bacteria are 0.1-10 microns and mold spores 2-10 microns. 

Do you mean 99.99% efficiency? If so, how does this one look: 99.99 Hepa

If you do mean 0.001 microns, any source for those filters?


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InvisibleCamera93S
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Re: HEPA Filter on Clearance [Re: shadyshroomie]
    #27145882 - 01/13/21 01:50 PM (2 days, 10 hours ago)

From Bods write up:

"Flanders Pureform High Capacity "nuclear grade" HEPA filter. New old stock.
24x24x12 0.004% (99.996%) with a SP of 1.60 Resistance (W.G.) at 2000CFM test
$150 shipped"

Bod's Easy AF Laminar Flow Cabinet Build


--------------------
Let's All Grow Mushrooms 2020
Let's All Grow Mushrooms 2021

A clear conscience is usually the sign of a bad memory.

It was realer then I imagined


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OfflineDigDug
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Re: HEPA Filter on Clearance [Re: Camera93] * 1
    #27145996 - 01/13/21 02:47 PM (2 days, 9 hours ago)

Quote:

Camera93 said:
looks like it only filters to .3 microns
looking for .001




I don't see in that write up where it says .001 microns. 
That's ridiculously small, and would be an ULPA filter.
.3 microns is standard for HEPAs.  0.001 microns is so small, in fact, that it would filter out the smallest virus known to man, which is 20 nm (or .02 microns) in diameter.


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InvisiblePodamous
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Registered: 06/24/17
Posts: 53
Loc: Saskatchewan Flag
Re: HEPA Filter on Clearance [Re: shadyshroomie]
    #27146008 - 01/13/21 02:54 PM (2 days, 9 hours ago)

That'll work, remember that you also have to invest in blower that can push enough air through that thing though!


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Offlinestarbones
I'm an alien, I eat uranium.
I'm a teapot


Registered: 03/04/20
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Re: HEPA Filter on Clearance [Re: Podamous]
    #27146018 - 01/13/21 03:00 PM (2 days, 9 hours ago)

99.97% on 0.3 micron.

Gonna be a no for me fam.


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Clean your home.
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InvisiblePodamous
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Registered: 06/24/17
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Re: HEPA Filter on Clearance *DELETED* [Re: starbones]
    #27146031 - 01/13/21 03:13 PM (2 days, 9 hours ago)

Post deleted by Podamous

Reason for deletion: i learned


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Pod dumbs down: Flowhoods


Edited by Podamous (01/13/21 03:28 PM)


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InvisiblebodhisattaM
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Re: HEPA Filter on Clearance [Re: Podamous]
    #27146071 - 01/13/21 03:42 PM (2 days, 8 hours ago)

You want 99.99% trapping

There's no .001 micron hepa filter


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Invisibleshadyshroomie
MycoCurious
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Registered: 10/29/20
Posts: 60
Re: HEPA Filter on Clearance [Re: bodhisatta]
    #27147047 - 01/14/21 04:55 AM (1 day, 19 hours ago)

That’s what I figured thanks

Does it matter the depth of it? Most I see are 12” but this one HEPA is only 3” deep

Edit: If I am not mistaken the 3" is fine it just changes the plenum space. 3" will just have a shorter lifespan than a 6" or 12", but also allows for a smaller, lighter flow hood. Correct?


Edited by shadyshroomie (01/14/21 06:02 AM)


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Offlinebakenast
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Re: HEPA Filter on Clearance [Re: shadyshroomie]
    #27148168 - 01/14/21 06:04 PM (1 day, 6 hours ago)

does not  have to be perfect get one with good resistance, so you obtain even air flow, will never find a laminar hood filter, as they are just repurposed filters. get 99.99 since it costs the same as 99.97  the filters should have a chart showing the resistance test, 

https://aem.asm.org/content/aem/20/3/474.full.pdf

https://www.ebay.com/itm/Camfil-Filter/353239236652?hash=item523eb3002c:g:SdsAAOSwNqpfiL8M


Edited by bakenast (01/14/21 06:08 PM)


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Offlinebakenast
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Re: HEPA Filter on Clearance [Re: bodhisatta]
    #27148205 - 01/14/21 06:23 PM (1 day, 5 hours ago)

Quote:

bodhisatta said:
You want 99.99% trapping

There's no .001 micron hepa filter




there is

camfil makes 99.999% 24x24 as well


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OfflineDigDug
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Re: HEPA Filter on Clearance [Re: bakenast]
    #27148222 - 01/14/21 06:36 PM (1 day, 5 hours ago)

You guys are confusing the percent efficiency with the pore size...
But that one you have there is really efficient.  I wish I owned one :smile:


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InvisiblebodhisattaM
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Re: HEPA Filter on Clearance [Re: bakenast]
    #27148258 - 01/14/21 06:54 PM (1 day, 5 hours ago)

Quote:

bakenast said:
Quote:

bodhisatta said:
You want 99.99% trapping

There's no .001 micron hepa filter




there is

camfil makes 99.999% 24x24 as well



Re read bro


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Offlinebakenast
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Re: HEPA Filter on Clearance [Re: DigDug]
    #27148260 - 01/14/21 06:56 PM (1 day, 5 hours ago)

i meant the op meant 99.999


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InvisiblebodhisattaM
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Re: HEPA Filter on Clearance [Re: bakenast]
    #27148263 - 01/14/21 06:58 PM (1 day, 5 hours ago)

You quoted me


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OfflineDigDug
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Re: HEPA Filter on Clearance [Re: bakenast]
    #27148346 - 01/14/21 07:26 PM (1 day, 4 hours ago)

Quote:

bakenast said:
i meant the op meant 99.999




Oh, sorry man.


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