Work cleanly and healthily. Paper filter for vacuuming dust. This enables work to be carried out efficiently, cleanly and systematically and reduces hazards to health. Double-wall|Optimum utilisation of filter bag capacity. For holding dust|Ideal for cleaning construction sites, workshops and offices. used only for extraction of dust types which are not hazardous to health|for dry extraction. for CT 17 E, VCP 170 E, VCP 320 E