... dealing with self-cleaning nami-technology structural design, the low- cost use, environmentally and energsaving. 2, Technical Data:ModelHSY-CVS3.12 ... top brand For vacuum motorPower(W)1300Voltage(V)230Excess CostNo cost to changing the filtrating bagWater Lift(H2Omm)2550Discharge(H3) ... ) Filtration systemNano-Filtration System:Self-cleaning functionDurableNo ReplacementNo useage cost 3,Picture: