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 FreeSporePrints
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 How to built a HEPA filter? 
#6137032 - 10/05/06 06:27 PM (14 years, 3 months ago) |
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i was wondering whether if is possible to built a HEPA filter ( http://www.alpharubicon.com/basicnbc/newhepafiltersf.htm ) to built then a flow hood and if the HEPA filters of the vacuum cleaners work okay to built a flow hood.
i do not know anything about HEPA filter but i know that is important to calculate differents things..so..let me know, i'm waiting the suggestions 
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 Prisoner#1
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you cant really build a hepa filter, you can modify them to fit an existing space
you'll need a lot of silicon caulk
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FreeSporePrints
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Re: How to built a HEPA filter? [Re: Prisoner#1]
#6137062 - 10/05/06 06:33 PM (14 years, 3 months ago) |
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why not? Thank you for your time
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Prisoner#1
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first is the expensive equipment, some of those machines can run more than $100k
then of course the materials, they'll expect you to buy tons of the stuff, you'll
need a building to make them in....
again, modifying an existing hepa is easy, I did mine with a band saw but a coping saw will work too and it only costs about $6
http://www.fungifun.org/English/Flowhood
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Brainiac
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Re: How to built a HEPA filter? [Re: Prisoner#1]
#6137103 - 10/05/06 06:44 PM (14 years, 3 months ago) |
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You can get the HEPA filter, thats rated to .3 macron's from fungi.com and get it ship to you cheaper then you can make one.
Are you talking about making an lammer flow hood?
Edited by Brainiac (10/05/06 06:50 PM)
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FreeSporePrints
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Re: How to built a HEPA filter? [Re: Brainiac]
#6139163 - 10/06/06 03:40 AM (14 years, 3 months ago) |
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Hi
Yes i know the Anno's tek : Thank you!
Brainiac i'm talking about the common HEPA filters, a laminar flow hood!
Using a common filter of the vacuum cleaners in series and adding soime filter stuf, will not work?
Thanks
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ohmatic
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Quote:
FreeSporePrints said:
Using a common filter of the vacuum cleaners in series and adding soime filter stuf, will not work?
very likely it wont.
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FreeSporePrints
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Re: How to built a HEPA filter? [Re: ohmatic]
#6139443 - 10/06/06 06:33 AM (14 years, 3 months ago) |
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are you sure? why? Thank you
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ohmatic
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to many contams will still penetrate the filters and be blown over your working area --> contams.
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FreeSporePrints
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Re: How to built a HEPA filter? [Re: ohmatic]
#6139660 - 10/06/06 09:04 AM (14 years, 3 months ago) |
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An HEPA filter should be a filter that stops also the smaller particles into the air..so why doesn this work? I mean..an HEPA filter shouldn't offer some requisites? so an HEPA filter of the vacuum shouldn't be as a n HEPA filter for the labs?
Thank you!
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RogerRabbit
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You can't replace a 5" thick aluminum and ceramic filter with a 1" thick paper vacuum cleaner filter, regardless if it says 'hepa' or not. There is much more involved. You want a laminar flow hepa filter, which means it must be rated to withstand pressure on one side. If you pressurized a paper filter, it would blow out.
RR
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FreeSporePrints
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mhmh..i supposed all the hepa filters were laminar..i know about static pressure..mhmhm..thank you for now and for your precious infos.
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Brainiac
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There are home hepa filters and there is laboratory hepa filters, you won't one made for an lab. Becase, thay are rated down to .3 macron's. Whan most home use filters are not rated down to .3 macrons.
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 Fair is Fair 
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ohmatic
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Re: How to built a HEPA filter? [Re: Brainiac]
#6140121 - 10/06/06 12:33 PM (14 years, 3 months ago) |
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Quote:
Brainiac said:
There are home hepa filters and there is laboratory hepa filters, you won't one made for an lab. Becase, thay are rated down to .3 macron's. Whan most home use filters are not rated down to .3 macrons.
its ARE and WANT and MICRON.
Edited by ohmatic (10/06/06 12:34 PM)
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Brainiac
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Re: How to built a HEPA filter? [Re: ohmatic]
#6140168 - 10/06/06 12:45 PM (14 years, 3 months ago) |
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Sorry, typed to fast.
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Fair is Fair
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FreeSporePrints
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Re: How to built a HEPA filter? [Re: Brainiac]
#6140243 - 10/06/06 01:17 PM (14 years, 3 months ago) |
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Perfect it's the thing i wanted to know
Thank you all for your patience!
oompa loompa!
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