GROTHEN DC Dosing Pump Peristaltic Pump Mini Water Liquid Pump Peristaltic Tube Head Self-Priming Function for Aquarium Lab Chemical Analysis Dosing Additives, L Style

Pump head adopts buckle design without screw, which can be removed through pressing the buckles on both sides with your hands, easy to and maintain. Support CW and CCW: Switching power supply positive and negative pole, realize the CW and CCW of the pump head. direction: You can control the direction by the positive and negative connect. No valves and seals, convenient hose replacement, easy maintenance. This small dosing pump has the function of self-priming. W