D and S, There are numerous ways to do what you are asking about, i.e. oxygen tanks, oxygen concentrators, etc. Depends some on space, time away from home, if must be on oxygen 24 hrs./day, and Rx. or liter flow setting. (such as 2 lpm vs. 5 lpm, amount of oxygen flow out of tank or machine for example) I am a registered respiratory therapist and own my own home medical equipment co. and we only deal with respiratory patients. Would be glad to discuss options with you if need be, or your current oxygen supplier would
crandres@swbell.net be a source of information regarding your question. Please reply or email me for additional information. Thanks, OKRAMBLER