With our flow optimized fins and rotor blades, Pfannenberg's Filterfans® reach a particularly high airflow while also providing 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. 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
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