
hepa filter ? sizes, links
#21
Guest_pcsillypj_*
Posted 12 October 2005 - 12:33 PM
for me RR...means it wont cost me
as much...hehehe.....well i'm off to
ebay to purchase my blower....and
to control the airflow i figured i would
just put a dimmer switch to control the
speed of the airflow on the flowhood...
:grin:
#22
Guest_freakachino_*
Posted 12 October 2005 - 01:05 PM
When you say bend the flame without blowing it out, should it be bent perpendicular say 90 degree angle and hold with the flow, or should the flame just bend and not flicker? I've seen those pix with the candle etc. but that is a still pic. The flow should be pushing it steady without flicker I'm assuming?
I'm really thankful for your knowledge on the laminar flow hoods Rodger.
#23
Posted 29 March 2006 - 10:38 AM
Seems to me that there is no big difference, except price wise, but I am not an expert in filters. I already have a hood just need to replace the filter. Plan on using it mainly for bagging plug spawn and agar plate tissue culturing.
#24
Guest_freakachino_*
Posted 29 March 2006 - 10:46 AM
The 99.99 is probably best of course, but more expensive. Also, I use prefilters so if a prefilter is used, then I'd think the 99.97 is just as fine for our purposes. Though I'm no hepa expert, just sharing what I use and works for me.
#25
Posted 29 March 2006 - 11:10 AM
IMO the difference in the .97 and .99 is relatively large as that .02 can essentially let millions of spores/contaminants through.........
But on the same note there are people who rarely get contams and never use a hepa filter..........
the decision is really up to you
#26
Guest_freakachino_*
Posted 29 March 2006 - 11:19 AM
So, yes, the 99.99 takes out that last .02 of contaminate spores. But does it require it? Find the minimum threshold to success is my outlook. I am probably way off base though, lol.
Just my crazy ramblings :crazy1: I shouldn't post while :rasta:
So, yeah if you are aiming for best, then 99.99, but just saying I have fine with 99.97.
Python is right too, a true hepa for laminar flow hood has metal and many layers. Not your average home air cleaner hepa.
#27
Posted 01 April 2006 - 04:56 PM
Damn speaking of ....I left mine running!
#28
Posted 03 April 2006 - 02:29 PM
Thx for the help all :)
#29
Posted 04 April 2006 - 12:58 PM
#31
Posted 16 May 2008 - 06:13 PM
I have been told to look for 99.999:eusa_thin
#32
Posted 16 May 2008 - 06:16 PM
Im not sure.
I have been told to look for 99.999:eusa_thin
;)
99.97 is ok. eventually it will become 99.999 with use. the efficiency actually goes up as the filter plugs up with particles.
still go with the 99.999 if you can.
#33
Posted 16 May 2008 - 06:22 PM
#34
Posted 16 May 2008 - 06:25 PM
#35
Posted 16 May 2008 - 06:39 PM
efficiency is decieving.. it's more the micron rating that counts. unfortunatley i am no where near mine to see what it is lol... and i can't remember at the moment.
i'll check it when i get home, but i know there is info here somewhere. i'll try and find that too. ;)
#36
Posted 16 May 2008 - 06:43 PM
here's one link. RR had posted micron ratings somewhere though. i'll find it yet :D
#37
Posted 16 May 2008 - 06:53 PM
http://www.hepafilte...ter_Ratings.php
http://www.cleanweb....ips/okTip1.html
a few helpful links ;)
hmm. i think mine is .2 or .1
#38
Posted 16 May 2008 - 07:00 PM
#39
Posted 16 May 2008 - 07:03 PM
#40
Posted 16 May 2008 - 07:26 PM
thanks tco for all the help:bow:.im not sure when im going to get to building this but i will update this when i do.
no problem :D i've had some experience with filtration through my work.. but mycology set ups are just a little different. i've found the clean room systems to be far superior.
http://mycotopia.net...clean-room.html
i merged the threads to help keep the info consolidated. :heart: