vacuum pump *passCE,CCC,UL *weight:7kg *DIMENSIONS:278*119*216MM *dual ... be continuous use of non-oil spill for a long time. Universal: Dual Voltage Motor Technology,(universal) ... and surface treatment technology, could be used for a long time without sticking. High precision design: Mating dimensions ... , the complete machine meet the standards of CE, UL and CUL. Anti-oil-back function: Advanced design, ...