I have a problem with my Excel file.

I would like to create a drop menu filtered with the value of the previous drop menu as you can see on the screenshot.

enter image description here

enter image description here

But Idk how to filter only the values I want, I know only how to get all the values.

Thanks for you help.
Best regards

I have try many formula. I need to filter my drop menu with the previous selected drop menu value