Portable suction unit for flexible placement directly under or next to the workstation. Extraction unit for use at up to two workplaces. Separately replaceable fine dust pre-filter F7. Activated carbon foam for effective gas cleaning. Easy filter change. Extra large filter area of 2.4 m² for longer service life. Variable power control. Electronic filter monitoring and filter alarm for timely filter replacement. Particularly long service life due to powerful EC gas blower. Quick, easy and user-friendly installation thanks to Easy-Click System. Extraction unit with two flexible extraction arms, two mounting clamps for the arms, a remote switch and two hopper nozzles.