This Vacuubrand ME 4 Diaphragm Vacuum Pump is in good condition, has been tested and is guaranteed to be functional. This unit came from a local lab that had surplus equipment and shows normal signs of use. Pump will require a filter and oil (not included). We urge customers to view all photos as they show overall condition, included accessories and useful information. Please feel free to contact us with any questions. 4.3 m3/h 120V 60hz Vacuubrand ME4 Diaphragm Vacuum Pump The Vacuubrand ME4 Diaphragm Vacuum Pump offers oil-free operation with high flow rates at working vacuum for higher throughput. Vacuubrand's diaphragm pumps can withstand up to 15,000 hours of use before needing service with quick calibration once required. Laboratory and process-plant applications include gas transfer, backing Turbopumps, and vacuum filtration.