Kalthoff’s Debut at InnoTrans!
This year, we’re exhibiting for the first time at InnoTrans—the leading international trade fair for transportation technology in Berlin.
Latest News
Kalthoff is now a member of the VDB
We are pleased to announce that we have been a member of the Association of the German Railway Industry (VDB) since June 23, 2026.
Kalthoff is now on LinkedIn
Kalthoff Luftfilter und Filtermedien GmbH is now also on LinkedIn.
Our highest-performing filter: synthetic of course
Kalthoff welcomes ISO 10121-3
ISO 10121-3 paves the way for increased use of molecular filters in air conditioning systems.
Kalthoff joins the IUTA sponsoring association
The IUTA research institute is responsible in the field of energy and environmental technology and forms the bridge between basic research and industrial application.
Expansion of the Management by Holger Bornemann
We welcome Mr. Holger Bornemann to the Kalthoff Management.
Kalthoff builds on growth
The construction of the two-storey building shown in the photo on the right (the bird’s view photo shows the status before the start of construction work) allows for a production expansion of about 3.100 m².
Optimized ISO ePM1 Filters
In the course of the implementation of the International Standard ISO 16890, Kalthoff has set itself the task of developing air filters classified according to the filter group ISO ePM1.
Classification according to ISO 16890
As of 1 July 2018, an ISO 16890 labelling is mandatory for all filter manufacturers. They have to test and also evaluate their air filters according to the Standard.