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Trust in the Original


The only true global manufacturer of UL Listed Type 12 Filterfans®

As a result of over 50 years of experience and continuous development, Pfannenberg’s Filterfans® have evolved into the trusted name for forced convective cooling to circulate and cool the air in your cabinets.

With our flow optimized fins and rotor blades, the Filterfan 4.0™ reaches a particularly high airflow and at the same time provide an IP 55, Type 12 system of protection. The flat-profile, uni-colored design complements modern machines and plants.

Pfannenberg’s patented click mechanism on our Filterfans 4.0™ have a unique patented 4-corner fastening system enabling safe and quick, tool-free installation allowing the filter medium to be replaced in  seconds. 

The fluted filter mat’s folded structure provides an unrivaled airflow guaranteeing Nema Type 12 protection, while also extending the filters lifetime 300% longer than conventional filter. All in all, our Filterfans 4.0™ contain 11 field-proven patented features.

Filterfan brochure

  • Reduced Energy consumption
  • NEMA Type protection
  • Patented tool-less four corner fastening system
  • Aesthetically pleasing design using neutral colors
  • Highest system airflow in industry
  • 300% longer service time via patented fluted filter mat
  • UL Listed Filterfans and Rainhoods

Pfannenberg filter fans Click here to download our Filterfan® 4.0 Brochure

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