Aaj-012 Av D100 L 2 - G B V D Official

The trailing characters typically represent variable configuration parameters or "options" selected at the time of order:

: In HVAC and ventilation, "D100" frequently denotes a 100mm diameter for connectors or reducers. For example, ERA Trade lists plastic reducers that connect ducts of these specific dimensions. AAJ-012 AV D100 l 2 - g b v D

Because standard JAV never uses lowercase letters as feature flags, this is almost certainly a added by a collector or uploader. AAJ-012 AV D100 l 2 - g b v D

In software engineering, build labels often contain seemingly random characters. AAJ-012 AV D100 l 2 - g b v D