Which product is 12.1.3 on LUA?

I rolled out 12.1.3001.165 and my clients that are served by my Live Update Administrator (v2.32.99) stopped updating.

Looking at the Symantec Catalog I only see the following selections for SEP:

Symantec Endpoint Protection v11.0

Symantec Endpoint Protection v12.1

Symantec Endpoint Protection v12.1 (Beta)

Symantec Endpoint Protection v12.1 RU2

Symantec Endpoint Protection v12.1 RU2 (Beta)

Symantec Endpoint Protection v12.1 RU4

Which one should I select for my client's version 12.1.300.165?