Industrial polishing bench, with polishing motors and electronic brake (CE). Technical specifications: Airflow for single aspirator inlet (with new filters): 1200 m3/h Average air speed at aspirator inlet (with new filters): 17 m/sec Noise (at 1 m distance): 66 dBA No. of filters: 10 Total filtering surface: 8,8 m2 Filtering level: 60 µ Aspirator motor power: 1,1 kW Power supply: 230V~1, 400V~3 - 50Hz