I want to thank CH-HELL for posting my o2 question for me as I could not get online . I have yet another questions, well maybe more than one...
1.  Does anyone what know the height, width, and weight of the different tanks are: E, M, K, and T
2.know what a 240 or a LO tank is?
3. what p.s.i. = 15-25 lpm?
4. How to find a demand valve?
5. How to hook up an moisture bag?
I'm sorry for asking questions that I could probably find the answers for online, but I have very reduced acces to the internt. Would welcome any and all answers.
Thank all and to all a good night!!!! ;)
                                       p

I'll take on # 3 and 4.

3.  PSI means pounds per square inch, a measure of how full your tank is.  LPM is the flow rate out of the mouth piece, in Liters Per Minute.  They are not directly related.

4.  Various manufacturers make them.  See the link below for the manufacturer of the one I use.
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Wishing you well,

Ray

1-2: Tank sizes
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4: Google

PF,
Steve

Ray wrote on Dec 5^th, 2008 at 10:07am:

I'll take on # 3 and 4. 3.  PSI means pounds per square inch, a measure of how full your tank is.  LPM is the flow rate out of the mouth piece, in Liters Per Minute.  They are not directly related. 4.  Various manufacturers make them.  See the link below for the manufacturer of the one I use. START PRINTPAGEMultimedia File Viewing and Clickable Links are available for Registered Members only!!  You need to or END PRINTPAGE Wishing you well, Ray

As to that PSI thing.... 2100 psi is default for a full tank of any size.  To abort CH, 15 litres per minute flow rate is suggested.  The "lpm" determines how quickly you use up the 02 in the tank.  Here's a calculator to show you approximately how long the various tank sizes last:

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There are also smaller tanks.  Our med supply store calls them "Oxy-lite" tanks.  Don't know if that's an official moniker.  But they supply about 15 minutes of 02 in an emergency (Gary carried 2 around in a back back and kept an e-tank in the car).

The humidifier for delivery.  I can't find images or anything like Gary used on line.  The med supply store sold it to us.  It was like a medium-sized plastic cup with a special top on it.  It attached with a short, stiff tube to the 02 tank, and the flexible tube that normally goes on the 02 tank was plugged into the other side of it.

Laurie