Privacy policy

Data collection

The storage serves internal, system-related and statistical purposes. The following is recorded: name of the file retrieved, date and time of the retrieval, volume of data transferred, confirmation of successful retrieval, web browser and requesting domain.  

Further personal data are only stored when you provide this information voluntarily, in the frame of a query or registration.

Use and forwarding of data

The personal data that you share with us via e-mail (e.g. your name and your address or your e-mail address), are only processed for correspondence with you and only for the purpose for which you have made the data available to us.

We ensure that your personal data are not forwarded to third parties, unless we are legally obliged to do so or you have given your prior consent to us. If we employ service providers for the implementation and development of data handling processes, the contracts shall comply with the provisions of the German Data Protection Act.

Consent and withdrawal

If you have provided personal information to us, you can delete it at any time. Data for invoicing and accounting purposes are not affected by cancellation/a withdrawal or deletion.

Storage duration

Personal data shared with us via our website will only be stored until the purpose for which you have entrusted them to us has been fulfilled. If storage periods under commercial and tax law must be complied with, the storage duration of certain data may be up to 10 years.

Use of cookies

In visiting our website, it may be that we store information on your computer in the form of cookies. Cookies are small text files that are sent by a web server to your browser and are stored on the hard drive of your computer. As such, no personal data of the user are stored, just the internet protocol address. This information serves to automatically recognise you when you next visit our website and to facilitate your browsing. Cookies enable us, for example, to adapt a website to your interests or to save your password so that you don't have to enter it every time. Of course, you can also look at our website without cookies. If you do not want us to recognise your computer, you can prevent cookies from being stored on your hard drive by selecting "Do not accept cookies" in your browser settings. Please see the instructions of your browser manufacturer to know how that works specifically. If you choose not to accept cookies, this can, however, lead to restrictions in the functions of our offers.


This website uses the web analysis service of etracker GmbH. etracker uses "cookies", text files that are stored on your computer and that provide an analysis of use of the website by you. On behalf of the operator of this website, etracker will use this information in order to assess your use of the website, to create reports on website activity and to generate services linked to the website and internet use for the website operator.

You can prevent cookies from being stored via a setting of your browser software; however, please note that in this case, you may not be able to use all features of this website fully. In view of the discussion regarding the use of analysis tools with full IP addresses, we would like to point out that the IP addresses will only be stored in abbreviated form, so that no conclusions can be drawn regarding individual visitors.


Data collected using etracker technology will not be used without the express permission of the person concerned, either for the purpose of personally identifying the visitor to the website or for linking personal data to the bearer of the pseudonym. Consent for data collection and storage can be rescinded at any time with future effect.

Your rights, disclosure

If you no longer consent to your personal data being stored or if this data is no longer correct, in accordance with a corresponding instruction, we will arrange for your data to be deleted or blocked, or we will implement the necessary corrections (provided that this is possible according to applicable law). Upon request, we will provide details free of charge of all personal data that we have stored in relation to you.

Should you have any queries regarding the collection, processing or use of your personal data, the disclosure, correction, blocking or deletion of data, please contact us

BOLL & KIRCH Filterbau GmbH
Siemensstraße 10 – 14
50170 Kerpen
or send an e-mail to

Should you wish to contact us by email, please be aware that the content of unencrypted emails can be viewed by third parties. We therefore recommend encrypting confidential information, or otherwise sending it by post.