... M Maximum vacuum: -75Kpa Dimensions: 82*38*62mm Relevant specificationModel: MP75/8Voltage: 12V Air flow: 8L/M Maximum vacuum: -75KpaWeight: ... Maintenance: No Adding Lubricated Oil, and No Maintenance after Purchased 8.Applications: Portable Instruments, Equipment Gas Sampling, Patient Monitor, Sphygmomanometer, ... , Printing, Pharmacy, Automation Braking and related fields. Miniature pump MP75/8