- Production runs for Professional Sub-Zero models.
- How long was a PRO48 unit made?
- How long was a 648PRO unit made?
- When was a unit produced?
- What was the last year a Pro unit was made?
- What years was a Sub-Zero unit manufactured based on serial number?
- What are the manufacture dates of a PRO48 or 648PRO?
- How old is my refrigerator?
|Model||First Production Year||Last Production Year|
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