dust extraction Manufacturer: AL-KO type: Mobile Jet 200 Intake Diameter: 200 mm motor power: 3,0 kW/400 V3-/50Hz nominal flow rate: 2.780 m / h Minimum: Flow: 2.262m / h under pressure at the interface of dust / dust producers (measured with 4m hose): 1.560 Pa Filter surface area: 13.56 m filter material: Polyestemadelfilz with surface treatment, Category C, electrically conductive BIA-certificate, washable residual dust content: H2, 0,