Features 1、High accuracy, repeatability, high stability, the fluid just touches the pump tube, no pollution. 2、The pump head designed for easy disassembly, easy to clean and maintain. 3、Wide application, water pump which is suitable for both viscous, non‑viscous liquid, convenient to use. 4、The flow direction can be controlled by the positive and negative connection. 5、Good airtightness, it has good self‑priming ability, can be idling, and can prevent backflow. Specification Conditon: 100% Brand New Item Type: Peristaltic Pump Pump Head Material: POM Material (Acid and Alkali Resistant) Pump Tube Material: Food Grade Silicone Tube Hose Size: Approx. 1 x 3mm/0.04 x 0.12in Lifespan: Normal Operation of the Motor can Last Up to 1000 Hours Pulse: 3 Rotors, Medium Pulse Head of Delivery: Approx. 2m/6.6ft Ambient Temperature Range: 0-40℃ Environmental Humidity Range: <80%RH Package List 1 x Peristaltic Pump