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- Fri Aug 21, 2020 3:56 am
- Forum: CPAP and Sleep Apnea Message Board
- Topic: Manufacture date of a CPAP machine?
- Replies: 3
- Views: 2326
Re: Manufacture date of a CPAP machine?
I just bought a new Resmed Airsense 10 as a backup and the serial number starts (21)2320********. I know what that 23 is Singapore and 20 is 2020 but what is the (21) at the begining?