ZUQIEE 6-30V High Flow Stepper Motor Peristaltic Pump - Durable Vacuum Pump for Aquarium, Lab, Analytical & Water Transfer Applications | Perfect for Liquid Dosing, Chemical Transfer & Fluid Control Systems

Specification:Operating voltage: 6 ~ 30 VWorking environment: 0-40, relative humidity 80%Medium flow: the flow of the pump depends on the positive and negative connectionsFlow range: 0-400ml / minTube: 6.4mm * 9.6mm (inside diameter * outside diameter)Wall thickness: 1.6mm / 0.1inMaximum diameter: 9.6mm / 0.4inTube material: transparent silicone tubeShell Material: PCRoller: 304 stainless steel wheel frameRoller Type: Ball BearingPackage List:1 x Peristaltic Pump1 x Hex WrenchPlease feel free to contact us if you have any questions, we will do our best to provide you with the best service. Our company will deliver the goods to you as soon as possible, the logistics speed is faster than amazon website.

★The direction of flow of the peristaltic pump depends on the connection way of positive and negative

★304 stainless steel wheel frame and screws, rust and corrosion resistance

★The pump head designed for easy disassembly, easy to clean and maintain

★Ball bearings in the wheel frame, silent, long life time

★Suitable for aquarium, chemicals, liquids and other dosing additives