Connect up to 3 rotary evaporators to one vacuum pump Connect up to 3 rotary evaporators to one pump and control vacuum individually Pump switches off automatically at required vacuum Reduces energy consumption of pump Increases performance life of the pump due to a complete switch-off if vacuum is reached Vacuum valve and non-return valve are required for every evaporator if you work with different pressures at the same time Delivery includes 3 non-return valves Weight: 0.6 kg Dimensions: L80W160H45 mm