Features Correction rollers take adjustment action to facilitate the user to replace the tubeavoid clipping and breaking the tube due to lack of experience Ball bearings in the wheel frame silent long life time Stainless steel screws rust corrosion resistance Set the card slot to prevent deviation correction pump damage Specification Motor 24V DC motorDC motor current 0 5 1 4AFlow range 0 400ml minTube inner diameter outer diameter 6 8mm 10mm Wall thickness 1 6mmThe maximum diameter 10mmTube material transparent silicone tubeShell material PCRolling wheel POMRoller type ball bearingPump cover hand twist screws quick disassemble convenient tube replacementCan be equipped with constant speed DC deceleration motor stepper motor adjustable speed and synchronous motor long motor life and low noise stepper motor Package includes 1 x Large flow peristaltic pump1 x wrench Details pictures