Product Description Product Description The Features of Vacuum Pump: 1. Integrated body structure with high precision 2. Forced lubrication for pump to ensure the high reliabililty 3. Oil window design to avoid run out of oil Item Single Stage Dual Stage Rotary Vane Air AC Vacuum Pump Voltage 110V/60HZ,220V/50HZ Oil capacity 230ml-800ml Power 1/4HP; 1/3HP; … Continue reading China best CHINAMFG Single Dual Stage Rotary Vane Air AC Vacuum Pump vacuum pump ac