BTW, I typically recommend running a 1/4" ID line no longer than 12' when feeding a concentrator. That's 12' (or shorter if possible) on 1/4" ID line. This is because the pressure drops as the line gets longer. You're talking about running a line twice as long and narrower, to boot. So, you need more pressure to get oxygen through that line because of it's narrow width and are dealing with a pressure drop because of the long length - not good.
How close to your bench can you have your concentrator(s)?
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Kimberly
working glass since 1990 - melting it on a torch since 2002
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