1.good quallity dust collector 2.Impeller: steel, 356mm 3.Capacity:2690CFM / 76M/3 per min. Model No.WDC470Motor400V~AC, 50Hz, 5.5HP, 2950RPMImpeller356mm, steelAir suction2690CFM / 76M/3 per min.Filtration bag dimension1200 (H) X 500 mm (Dia.)Inlet size250 mmNumber of intake holes4 X 100 mmBag filtration rate30 microMachine dimension2185 (H) X 2855(L) X 582 (W) mmMachine G/N weight100/184 ...