Improving the service life and performance of suction filters Extending the service life of dust extractor filters and improving performance through the use of the fleece bag, which easily and efficiently collects dust. The dust extractor bags can be simply discarded to cleanly and effectively extract dust and the bag can be replaced for further cleaning. These dust extractor bags can be used with the Bosch Professional GAS 35 L AFC, GAS 35 M AFC and GAS 35 L SFC+. NOTE: The SFC/AFC function must be deactivated when the fleece filter bag is used in order to avoid damaging the bag