Pfannenberg Inc. -

PF Series Filterfans 4.0 reach a high airflow and provide an IP 54, Type 12 system of protection with flow optimized fins and rotor blades. The fans have 11 field-proven patented features, including a 4-corner fastening system that allows the filter medium to be replaced in seconds. The fluted filter mat’s folded structure facilitates airflow, while the closed frame design prevents unfiltered air from penetrating the cabinet.