Features1Micro?peristaltic pump, adopts high?quality engineering plastics, durable, wear?resistant and not easily damaged. 2Using mute design, no noise when working, simple operation method and long service life. 3Built?in double ball bearings, self?priming, anti?backflow, stable performance and good sealing. 4Flow direction of pump depends on connection mode of positive and negative stages of power supply, terminal can choose positive and negative stages at will. 5Suitable for experiments, biochemical analysis, pharmaceuticals, fine chemicals, bioengineering, food, paper making, water treatment, etc.SpecificationCondition: 100% Brand NewItem Type: Peristaltic PumpMaterial: Engineering PlasticsWeight: Approx. 80g / 2.8ozMotor Size: Approx. 33x32mm / 1.3x1.26inPump Head Size: Approx. 53x23mm / 2.1x0.9inCenter Distance Of Mounting Hole: 46mm / 1.8inEquipped Pump Tube (IDxOD): Inner Diameter: 2.2mm / 0.1in, Outer Diameter: 4.5mm / 0.2inApplicable Power Supply: DC 6VNo-Load Current: 350mALift: 5mSuction Range: 5mWorking Environment: Temperature 0-40, Relative Humidity 300 Hours (Working for 10 seconds and stop for 10 seconds)Motor Life: >800 Hours (Working for 10 seconds and stop for 10 seconds)Application: Experiments, biochemical analysis, pharmaceuticals, fine chemicals, bioengineering, pharmaceutical fillers, food, paper-making, ceramics, water treatment, environmental protection, powder and other fieldsPackage List1 x Peristaltic Pump