Complaint

Complaint

We're sorry to hear you've had some issues with our products or that they didn’t quite meet your expectations. Please get in touch with us via our complaints form.

Where can I find the control/batch number?

- Filter tubes: On the inside of the lid or the front of the box.
- 50-sheet packs: On the green warning sheet.
- 100-sheet and 34-sheet packs: On the inside of the opened packaging.
- Fine filters: On the inside of the packaging.
- Slim filters (all types): On the back of the pouch.
- Active filters (10/34 pack): On the inside of the packaging.
- Active filters (50-pack pouch): On the back of the pouch.

Control/Batch number

First name

Last name

Gender

Date of birth (dd.mm.yyyy)

E-mail

Phone

Street and number

ZIP code

City

Which product is it about?

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