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. Air direction Voltage: 380V Type high pressure blower. Fan pressure: high pressure fan. Performance: low noise fan. We also have single or three phase (a lot of power)120W 180W 250W 370W 550W 750W 1.1KW 1.5KW… High – pressure fan vortex vacuum pump, if you need others, pls let me know!