Features:This is a DC 24V mini oil-less vacuum pump of -85kPa vacuum degree.Made of high quality material, it is durable and has good performance.It uses high-performance oil-less lubrication material and wear-resisting thin-wall cylinder sleeve.The pump has high efficiency, low noise, small vibration and long service life.Widely used in household medical oxygen generators, dental medical laboratory equipment, disinfection equipment, vacuum adsorption automation equipment, vacuum packing machines, and many other industries.Specification:Model: VN-C4Working Voltage: DC 24VPower: 42WVacuum Degree: -85kPaFlow: 40L/minSize: Approx. 8.8*4.3*11cm/3.5*1.7*4.3inchWeight: Approx. 463g / 16.3ozPackage List:1 x Mini Vacuum PumpNote: 12mm external diameter air pipes are required.Select the corresponding voltage, equip with corresponding switch power supply.Connect the air inlet and outlet port with corresponding air pipe.The medium of this mini vacuum pump is gas, solid and liquid cannot Into the pump.Mini pump cannot work for long time, long time working will affect the service life. (Can be used continuously for 2-3 hours).