precisely to your needs. Our Filter Fans - Pioneering Excellence At the heart of our product range are our exceptional filter fan products. As the pioneers of filter fan technology, we have set the industry [...] Welcome to Pfannenberg's Filter Fan Systems Discover the world of Pfannenberg filter fans, where modularity meets versatility. With over 750 readily available product options and the flexibility to customize [...] that matter. Ingress protection, a paramount aspect of filter fans, is where our expertise truly shines. With our 4th Generation filter fans, we present a mature product suitable for nearly every application