... 2. copper core,220V,50HZ,IP55 dust proof 3.6mmx10m high pressure steel wire spiraled Features- 1, 2.2KW, single phase ... bipolar machine, copper core,220V,50HZ,IP55 dust proof2, 6mmx10m high pressure steel wire spiraled hose, 22*1.5 inner water mark ... /36660x420x360 The high pressure pump can be used for 100 hours according to commen use,and about 35hours not need to maintain High Pressure Car Washer