【Scope of Application】These small metering pumps have self-priming function and can be widely used in experiments, biochemical analysis, pharmaceuticals, fine chemicals, and biotechnology fields 【Removable Pump Head】 Our squeeze peristaltic pump is fixed with four screw nails. You can disassemble the pump head by yourself when you need to replace the hose. The motor size is 32x23mm, which is easy to install and remove 【Elaborate Design】Our quantitative delivery pump available in three for choice, Model: G528--Applicable Power Supply: DC 12V--Working Environment: Temperature 0-40℃--Type A: 1x3mm Rubber Tube, Type B: 2x4mm Rubber Tube, Type C: 3x5mm Rubber Tube,which is easier to disassemble and maintain, and it is convenient to replace the tube head 【Adjustable Direction】The delivery direction of the experimental liquid distribution pump is variable, the direction of the peristaltic pump depends on the positive and negative wiring of the power supply, and the terminal can be arbitrarily selected,you can control the direction through the positive and negative connections 【Quantitative Delivery Pump】Our peristaltic pump is to make the fluid in the hose move in a certain direction by repeatedly compressing the elastic tube. The replaceable tube head can adapt to the transportation of different media, which is convenient for multiple types of work, Manufacturer: Oumefar