Simple: concentrators are more expensive and need electrical or battery power.
Replying to: Question for Dr Alecto (correct spelling?) -- Khan Post ReplyForum


Canis Majoris

05/03/2021, 23:32:44




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The tanks we send pts home with are 680L (size E) tanks; they are about 2' tall, 4-5" diameter, and weigh in the neighborhood of 8 lbs or so. The big commercial ones can get to ~3,000L I think, I don't remember exactly how much since we don't prescribe these usually.





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