Patented Originality.

Pfannenberg Filterfan 4.0™ are the result of 60 year's experience and continuous development. No fewer than 11 patented features ensure our leading position in the market. As part of the Pfannenberg εCOOL product line, our Filterfans® meet the increased demands of the industry in several areas:

  • Energy efficiency
  • Environment friendliness
  • Service friendliness.
  1. 1

    Reduced energy consumption

    More air, less power consumption.

  2. 2

    IP 54 protection

    Closed frame prevents unfiltered air from penetrating.

  3. 3

    Patented 4-corner fastening system

    for tool-less installation within seconds.

  4. 4

    Unrivalled airflow even at IP 55

    via patented fluted filter mat.

  5. 5

    Service time is up to 300 % longer

    This saves time and money.

  6. 6

    Neutral design without colour irritations

    Perfect harmony of colours with modern machines and equipment.

  7. 7

    Airflow optimised fins and rotor blades

    guarantee maximal airflow with minimal energy consumption.

  8. 8


    Filterfans 4.0™ can be equipped with an optional thermostat – only when cooling is actually necessary.

  9. 9

    Easy integration in existing applications

    since most of the housing cut-out comply with the Pfannenberg standard.

  10. 10

    Easy and fast maintenance

    The click mechanism of the cover enables a filter mat replacement in seconds.

  11. 11

    Filterfans 4.0™ comply with national and international standards

    e.  g. TÜV, NEMA, cURus, EAC, CSA, CE.