Ask Dyson on Twitter: "@Alex_Rams @Dyson Hi Alex, thanks for your tweet. This isn't the serial number unfortunately. It will be in the format AB1-US-ABC1234A . What kind of machine do you
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![Dyson no Twitter: "@panerai_man The serial number provided is invalid. It is located behind the washable filter. The format is similar to XXX-XX-XXXXXX." / Twitter Dyson no Twitter: "@panerai_man The serial number provided is invalid. It is located behind the washable filter. The format is similar to XXX-XX-XXXXXX." / Twitter](https://pbs.twimg.com/media/CfjZeKgWEAAoDZu.jpg)