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Customer Complaint/ Warranty Management

Ketsch Site

Please note the following process for complaints/warranty claims for Hengst Filtration GmbH (Ketsch site):

  1. Please fill out the form completely.
  2. If you want to add pictures or videos, please use the following e-mail address: c-quality.ketsch[at]hengst.de
  3. When using mobile devices, please scan the QR code.
  4. Our quality management will check your complaint and give you a first feedback within 24 hours (Monday - Friday).


Should you require any further information or have any further queries please contact us on the above email. We will be happy to assist you.

Thank you in advance for your ongoing patience and consideration.

Your Quality Management Team, Ketsch


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