Gikfun 12V DC Dosing Pump Peristaltic Dosing Head with Connector For Arduino Aquarium Lab Analytic Diy AE1207Brand: Gikfun Color: Black Features: Motor RPM: 5000RPM, Volts: DC 12V, Flow rate: 0 100 ml min, Tube size: 2mm ID x 4mm OD, Relative humidity <80% With Snap in type design, it is easy to remove the pump head, very convenient for pump tube replacement and cleaning. The compact design not only has the convenience of press type, but also avoids many problems such as the movement of the press type pump head hose. This pump is widely used, family