Pinnaco Peristaltic Pump for Aquarium and Lab Use, GROTHEN 12V Dosing Pump, Self-Priming Function

Pump head adopts buckle design without screw, which can be removed through pressing buckles on both sides with your hands, easy to and maintain. Support CW and CCW: Switching supply positive and negative pole, realize CW and CCW of pump head. direction: You can control direction by positive and negative connect. No valves and seals, convenient hose replacement, easy maintenance. This small dosing pump has function of self-priming. Widely used in field of experiment, medical, biochemical analysis, pharmaceuticals, fine chemicals, biotechnology, food, environmental conservation, family, etc.