Power:0.5HP---1HP Frequency: 50HZ, 60HZ Voltage:220V and other Voltages QB SeriesApplications and installationQB series clean water pumps are high efficient household electric pumps, with the miniature heavy-duty electric motor and the peripheral pump couple directly.They do well in carrying clean water or the liquid whose physical and chemical nature similar to clean water, not exceeding 40°C. ...