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 shadyshroomie
MycoCurious
 
Registered: 10/29/20
Posts: 131
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 HEPA Filter on Clearance 
#27145790 - 01/13/21 02:12 PM (1 month, 15 days ago) |
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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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Camera93
I'm God's manure
Registered: 08/15/18
Posts: 2,094
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looks like it only filters to .3 microns
looking for .001
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shadyshroomie
MycoCurious
Registered: 10/29/20
Posts: 131
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 Re: HEPA Filter on Clearance [Re: Camera93]
#27145875 - 01/13/21 02:48 PM (1 month, 15 days ago) |
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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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Camera93
I'm God's manure
Registered: 08/15/18
Posts: 2,094
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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
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Let's All Grow Mushrooms 2020Let'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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 DigDug
Cultivator
Registered: 05/05/20
Posts: 175
Last seen: 1 hour, 32 minutes
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Re: HEPA Filter on Clearance [Re: Camera93] 1
#27145996 - 01/13/21 03:47 PM (1 month, 15 days ago) |
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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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Podamous
Yeesh
Registered: 06/24/17
Posts: 55
Loc: Saskatchewan 
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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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Pod dumbs down: Flowhoods
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starbones
I'm an alien, I eat uranium.
Registered: 03/04/20
Posts: 1,006
Last seen: 1 day, 16 hours
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Re: HEPA Filter on Clearance [Re: Podamous]
#27146018 - 01/13/21 04:00 PM (1 month, 15 days ago) |
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99.97% on 0.3 micron.
Gonna be a no for me fam.
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Podamous
Yeesh
Registered: 06/24/17
Posts: 55
Loc: Saskatchewan
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Re: HEPA Filter on Clearance *DELETED* [Re: starbones]
#27146031 - 01/13/21 04:13 PM (1 month, 15 days ago) |
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Post deleted by Podamous
Reason for deletion: i learned
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Pod dumbs down: Flowhoods
Edited by Podamous (01/13/21 04:28 PM)
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bodhisatta
Smurf real estate agent
Registered: 04/30/13
Posts: 60,353
Loc: Milky way
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Re: HEPA Filter on Clearance [Re: Podamous]
#27146071 - 01/13/21 04:42 PM (1 month, 15 days ago) |
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You want 99.99% trapping
There's no .001 micron hepa filter
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shadyshroomie
MycoCurious
Registered: 10/29/20
Posts: 131
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Re: HEPA Filter on Clearance [Re: bodhisatta]
#27147047 - 01/14/21 05:55 AM (1 month, 15 days ago) |
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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 07:02 AM)
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bakenast
Muffen Stuffer
Registered: 03/14/11
Posts: 917
Last seen: 1 month, 7 days
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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 07:08 PM)
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bakenast
Muffen Stuffer
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Posts: 917
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Re: HEPA Filter on Clearance [Re: bodhisatta]
#27148205 - 01/14/21 07:23 PM (1 month, 14 days ago) |
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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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DigDug
Cultivator
Registered: 05/05/20
Posts: 175
Last seen: 1 hour, 32 minutes
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Re: HEPA Filter on Clearance [Re: bakenast]
#27148222 - 01/14/21 07:36 PM (1 month, 14 days ago) |
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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 
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bodhisatta
Smurf real estate agent
Registered: 04/30/13
Posts: 60,353
Loc: Milky way
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Re: HEPA Filter on Clearance [Re: bakenast]
#27148258 - 01/14/21 07:54 PM (1 month, 14 days ago) |
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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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bakenast
Muffen Stuffer
Registered: 03/14/11
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Re: HEPA Filter on Clearance [Re: DigDug]
#27148260 - 01/14/21 07:56 PM (1 month, 14 days ago) |
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i meant the op meant 99.999
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bodhisatta
Smurf real estate agent
Registered: 04/30/13
Posts: 60,353
Loc: Milky way
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Re: HEPA Filter on Clearance [Re: bakenast]
#27148263 - 01/14/21 07:58 PM (1 month, 14 days ago) |
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You quoted me
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DigDug
Cultivator
Registered: 05/05/20
Posts: 175
Last seen: 1 hour, 32 minutes
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Re: HEPA Filter on Clearance [Re: bakenast]
#27148346 - 01/14/21 08:26 PM (1 month, 14 days ago) |
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Quote:
bakenast said:
i meant the op meant 99.999
Oh, sorry man.
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