Features: (1)Basic use of imported accessories (2)Double inductor to prevent empty pumping (3)Water and electricity double protection, low energy consumption (4)Water and gas separation, intelligent control system Technical parameters: 1、Imported German frequency conversion technology 2、Water-air separation, intelligent control system 3、Super-silent, large suction 4、Water and electricity double protection, low energy consumption 5、Power input: 220V, 50Hz 6、Atmospheric pressure: 50.0kPa~106.0kPa 7、Pump core material: stainless steel 8、Usage range: 1~20 dental chairs (please refer to the specifications) 9、Warranty:one year Model:YXJ-230 Power: 5500T Specification: one tow thirty Size mm: need to be customized