DELTECH original filter elements can be easily identified at a glance.
![](https://wp.partenair.fr/wp-content/uploads/2016/11/capture-decran-2016-08-19-a-11-48-26.png)
- A color code makes it possible to avoid reversals of grades with unfortunate consequences ...
- Each model is screen printed on the lower cup, attesting to an original manufacturer's part.