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How to find out how old my OxyGo FIT is?
To find out how old your OxyGo FIT portable oxygen concentrator is:
- Take the carry bag off the unit.
- Look on the lower back side of the machine for the serial number (S/N).
- The serial number is an 8-digit number.
- The first 2 numbers indicate the year it was made.
- The next 2 numbers are the week of the year in which it was made.