Let me explain it.
I have a column wich several items can have the same ID. Just like this:
| Item | ID | Approval |
| A | 1 | |
| B | 1 | |
| C | 1 | |
| D | 2 | YES |
| E | 2 | YES |
| F | 3 | |
| G | 3 | |
| H | 3 |
What I want to see in my gallery:
| ID |
| 1 |
| 3 |
How can I filter the ID column by distinct and where its column is blank?

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