Concerns about environmental pollution, particularly In cities, is making the installation of cabin filters to control the Indoor air of vehicles ever more popular. However differences in filter geometries and materials mean that cabin air filter production lines have to be extremely flexible. In the following article, Ernst Reinhardt and Dr.-Ing. Michael Sperling, Karl Rabofsky GmbH, describe a highly automated production line for cabin air filter that is designed to easily accommodate a host of filter design requirements.