1. There are no valves and seals, the hose is easy to replace, and the pump head has a snap design. The pump tube can be removed and cleaned and maintained by lightly pressing, which is very convenient. 2. The liquid only touches the pump tube, from the inlet to the outlet is a pump tube, does not touch the pump body, no pollution, easy to clean, or directly replace the pump tube to avoid cross-infection. 3. Intelligent adjustment knob: adjustable speed, adjustable dosage, you can adjust the flow rate of the pump by turning the knob, one pump meets the needs of multiple flow rates and saves you great costs. 4. The pump tube is pressed into a closed state by the rollers, which has strong self-priming ability and ultra-high pressure, which can idle and prevent backflow. 5. It can pump liquid, gas or multi-phase mixture, and the diameter of the solid contained in the liquid can reach 40% of the inner diameter of the pump tube. 6. It is widely used in cleaning equipment, environmental protection treatment, dishwasher equipment, analytical instruments, hand washing and liquid addition, household appliances, liquid dispensing equipment, scientific research experiments.