Posted by NickD (126.96.36.199) on April 03, 2001 at 09:01:31:
In Reply to: No. Wow. posted by Ted on April 03, 2001 at 01:06:06:
7 liters per minute where it kicks out 90% pure oxygen, the oxygen is mostly isolated from the rest of the air and if there are any impurities in the air, they for the most part get removed from the air source, it has three filters internally, I am an engineer and really quite impressed as to how well this thing is made, more impressed as to how it knocks out CH's and the trauma headaches I get, my sensitive nose tells me the air from my concentrator is much purer than the stuff I was getting from tanks and I don't think you need 100% O2 to knock out a headache, what little nitrogen that gets through, well your body needs that as well or else your blood will boil, actually, I remove one of the check valves from my mask as even 90% oxygen is way too strong so my guess is that I am getting more like 50-60%, pure oxygen is difficult to breathe and actually burns, I mean you don't want to be loaded with pure oxygen and have a spark someplace blow your body apart, that defeats the purpose. I love my concentrator, a new one cost over $3,000.00, this one had 200 hours on it, and I got it from ebay for $350.00, the masks cost about five bucks apiece at a medical supply store, first maintenance is due at the 10,000 hour mark, a 60 buck compressor ring kit, a lot cheaper than tanks, better air and no chance of some kid working in a welder supply tank screwing up what you are getting, a medical house supplied tank almost killed me.
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