For indoor applications, Pfannenberg Filterfan® protects against water and dust (NEMA 12/IP55). For the extreme, the rainhood provides weatherproof protection (NEMA 4/4X). NOW – Pfannenberg can offer outdoor weatherproof protection (NEMA 3R), designed for resistance against falling rain, ice formation, and UV degradation. Benefits Include: Outdoor weather ready protection against ingress of falling dirt, and…

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