Mini Vacuum Pump - VP - 6L 1.Adjustable suction flow rate: 0-6L/min2.Digital display on knob3.Low working noise4.Small size and easy to carry5.9 levels speed regulation Vacuum filtration system Technical Data Model VP – 6L TypeNegative pressure suction Control typeDigital display knob Pumping rate6L / Min Speed grade9 Ultimate vacuum0.06Mpa Power10W Weight600g