High-power axial fans can be installed in either a "blowing" or "extracting" configuration. The ventilation grille's protective function not only prevents mechanical damage but also resists moisture ingress. With a sealed cabinet, the protection level reaches IP54 according to EN60529/10.91. A splash-proof cover enables the protection class to achieve IP54. The filter pad can be easily replaced using the slotted handle on the grille. Both the fan and filter are equipped with PU foam sealing strips to ensure IP54 protection rating. Design: The filter fan stands out with its distinctive, aesthetically pleasing, functional, and safe design. Its unique structure allows it to meet the demands of today's market: ultra-slim profile, quick installation, and high efficiency. Non-woven fiber filter pads are used to prevent dust particles larger than 15 microns.