The 4th generation Pfannenberg outdoor filterfans combine all the advantages of 60 years of experience. The use of filterfans is the most efficient and cost-effective way to cool the enclosure at low ambient temperatures. The louvred cover of this product has the colour RAL7035 (light grey). Advantages at a glance: - High air performance (56-925 m3/h) in a small space with low energy requirements - IP 55 protection thanks to innovative filter mat technology, ideal for outdoor use - 3 times longer service life compared to IP 54 filters - The filter fans have increased resistance to UV rays - Patented tool-free 4-corner snap-in mechanism enables installation in seconds - The filter fans have a long service life compared to IP 54 filtersinstallation in seconds - Foamed-on seal simplifies installation - Easy filter mat replacement in seconds thanks to optimised front cover - Flat construction and neutral design enable perfect machine integration - The filter fans can be retrofitted in most applications because the mounting cut-outs are compatible - Approvals: cURus, EAC, CAS.