Model Vt-75 Vt-150 Vt-220 Vt-300 Vt-400 Volt(v/hz) 380/50 and 220/50 as option Power(kw) 0.75 1.5 2.2 3.0 4.0 Max vacuum(mmh2o) 1600 2000 2350 2700 2900 Max air flow (m3/h) 145 210 265 318 318 Noise db(a) 72±2 74±2 75±2 76±2 78±2 Suction inlet diameter(mm) Ø 40 Filter unit Area(m2) Primary 0.32+secondary 1.8 Primary1.2+ secondary 3.5 Shape Filter canister ( common types and ptfe layer types as option ) Quantity 2 Mode of cleaning Artificial cleaning Dust container volume(l) 35 70 Dimensions (mm) 710*390*670 860*450*720 Mobility Fixed leg and industrial brake wheel as option Weight (kg) 44 50 60 70 74 Protective level Ip54