High pressure fan vortex vacuum pump vortex air pump industrial vacuum cleaner special fan vortex turbocharged fan. Fan voltage is single-phase 220V; or Three phase 380V. That it is not a dual voltage. 1PCS Vortex vacuum pump. Adopt 100% pure copper coil and high quality imported bearing, durable. Stable operation, low noise. Large air volume, strong suction. High efficiency and energy saving. Products meet EU CE certification. Fan pressure high pressure fan. Performance low noise fan. Use machinery and equipment. We have a lot of power high – pressure fan vortex vacuum pump, pls choose that your need power one! Filter and double external silk joint 40MM. Filter and double external silk joint 50MM. Filter and double external silk joint 60MM. Filter and double external silk joint 75MM. If you need, pls let me know, thank you!