Original Pfannenberg spare filter mats offer protection against overheating, short circuit and fire and are crucial for daily operation. They prevent unplanned downtime and associated costs. In combination with Pfannenberg's patented filter fans, the filter mats ensure the required degree of protection IP54. Fleece filter mats from Pfannenberg have the highest filter class according to DIN EN 779 and are the perfect filter medium for the majority of applications.