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Diaphragm Pump for Desktop PNP MachineRated Current: DC12V or 24VDCRated Current: 900-2000mA 12v, 900-1500mA 24vInflation time:Max. Pressure> 525 mmHg(70KPa)Air tightness:Flow rate: > 13.0 L/MinNoise:Nozzle diameter: 7.0mmDimension: 60*120 mmdiaphragm pump 4 pnp