KSI Filtertechnik is the strong partner of the compressed air industry: we develop, design and produce intelligent system solutions in premium quality.

Our core business comprises four product areas:

• KSI ECOCLEAN® Filtration Technology
• ECOTROC® Adsorption Technology
• KONDRAIN® & KONTREC® Condensate Management
• KSI ECOCONTROL Online System Monitoring

In Willich, we develop the entire product range, the engineering is done in 3D, the drawings for production are created, prototypes are built and tested, the final assembly of the finished products is done, and the quality is tested and documented. Everything conforms to EN ISO 9001.

KSI is also well positioned internationally. This is ensured by sales companies and KSI's own factories in the Czech Republic and England, where important components of our product range are produced. Always focused on high quality and good availability.