Customised filters
for demanding
applications

We supply filters for the automotive, medical technology, home and environmental technology, aerospace, mechanical engineering, and motor equipment industries.

All elements

For every medium.

Our filters can filter all types of media, whether air, water, or gas—there are no limits.

Küfner Water filter
built from Plastic
for Hydraulic components

Key Facts

We stand for quality.

When you have us manufacture your filter, you are entrusting us with an important role in your product's value chain. Our awareness of this responsibility is reflected in all our processes and standards.

 
 

Made in Germany

> 70 years of expertise

Worldwide

Short-term

Reliable

Service

Filter types

Your requirements are our motivation.
For the best filter.

From bathroom faucets to aircraft nose wheels, our filters can be found practically everywhere. They prevent malfunctions in sensitive units and enable a wide variety of applications to function smoothly. Some of our filters are smaller than a pinhead, yet they are indispensable when it comes to ensuring the functionality of your products.

Production

Your expectations are our benchmark.
From sample filters to series production.

You have invested a lot to make your product successful. It is unique in many ways and can therefore compete on the global market. A filter can protect your product and make it better or safer, if it fits your application exactly. And if it receives the same attention that you gave your product during its development. Let's work together to figure out how we can customize your filter, so that it fits seamlessly into your product.

News

Stay up to date.

The Küfner Learning World

With the new Küfner Learning World, the company is launching a central platform for knowledge, professional development, and collaboration effective July 1, 2026—and is thereby making a targeted investment in the future of its employees and the entire company.

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Karl Küfner: 25 Years of Commitment to Quality

25 Years of Quality Driven by Conviction: Karl Küfner GmbH & Co. KG is being honored for its long-standing membership in the DGQ—a clear sign of its consistent focus on innovation, precision, and continuous improvement.

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KPA Bad Salzuflen 2026

Engaging conversations, new connections, and many valuable insights—the KPA 2026 in Bad Salzuflen was a resounding success for us. We had the opportunity to showcase our product in numerous one-on-one meetings and gained important insights from the industry.

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Partnership with Albstadt-Sigmaringen University

Together with Albstadt-Sigmaringen University, we are driving digital transformation forward: Students are developing an AI-powered product configurator to make our quotation processes faster and more efficient.

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Participation in WHX Dubai 2026

This year, we once again had the special opportunity to participate in the WHX (World Health Expo) in Dubai—one of the leading international trade shows in the healthcare sector.

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Karl Küfner – a global market leader (Future Champion) 2026

The renowned business magazine «WirtschaftsWoche» has once again named Karl Küfner GmbH & Co. KG a global market leader (Future Champion) for its hybrid filter screen solutions in 2026—marking the third consecutive year following 2024 and 2025.

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Karl Küfner expands application possibilities for membrane filters

Several years ago, Karl Küfner, the specialist for filtration solutions, succeeded in overmolding membrane material with a plastic frame.

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Filter concept increases cost-effectiveness.

When developing a new application, a filter concept can save costs and time.

Read more …

References

These companies already place their trust in us.