... blueParameters of the pumpAir output(lpm)8Pressure range(kpa)≥12Cycle time(minute)7Time to inflate up (minute)25-35Electrical environment220V~ ... bacteriaHuman design, indication for locations of tiny holesInflating alternately in cycle by two pipes, more powerfulAdjust the pressure manually to ... 32mmHg, arteries and veins can not exchange Oxygen in time, which leads to the dead of cells and bedsore. ...