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 flexible extraction arm, extraction hose, shut-off valve with table mounting, remote switch, and funnel nozzle.