Feature: 1. It is made of engineering plastic material. The pump head is designed to be simple disassembly type, which is convenient for cleaning and maintenance. 2. Snap on design, with self‑priming function, makes it very easy to open and close the pump head. 3. The medium flow direction of peristaltic pump depends on the connection method of positive and negative stages of power supply, and the terminal can choose the positive and negative stages at will. 4. It has good sealing performance, convenient hose replacement, stable and reliable performance, and can be used at ease. 5. It is widely used in experiments, biochemical analysis, pharmacy, fine chemical industry, biotechnology, pharmacy, products, ceramics, water treatment, environmental protection and other fields. Specification: Condition: 100% Brand New Item Type: Dosing Pump Material: Engineering Plastic Applicable Power Supply: DC 12V Working Environment: Temperature: 0-40°C, Relative Humidity: <80% Flow Range: 0.1-100ml/min Speed Range: 0.1-100rpm Weight: Approx. 86g / 3oz Size: Driver Size: Diameter: Approx. 27.6mm / 1.1in Height: Approx. 37.9mm / 1.5in Pump Head Size: Diameter: Approx. 31.7mm / 1.2in Height: Approx. 20.1mm / 0.8in Pump Tube: Inner Diameter: Approx. 2mm / 0.08in Outer Diameter: Approx. 4mm / 0.16in Package List: 1 x Dosing Pump Note: 1.Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.