100% brand new and high quality Features: Adopt the design without screw clasp, easy to disassemble and maintain. Support CW and CCW: switching power supply positive and negative pole, realize the CW and CCW of the pump head. Flow direction: you can control the flow direction by the positive and negative connect. No valves and seals, convenient hose replacement , easy maintenance. These Small Dosing Pump have the function of Self-priming. Widely used in the field of experimental, biochemical analysis, pharmaceuticals, fine chemicals, biotechnology. Peristaltic pump only, other accessories demo in the picture is not included! Specification: Type: Peristaltic pump Material: Plastic Flow range: 10ml/min -90ml/min Dc motor: 12V Flow rate:> 80ml/min Color: Black;Blue;Green;Yellow; Size: Total length: app.6.5 cm/2.56 in;Side diameter: app.2.7 cm/1.06 in Quantity: 1 Pc Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Peristaltic pump