・ It is a handicapped device with a convenient scale and a PTFE cock that is convenient for deterioration in the receiving flask connected to the lower part.
・ It is possible to smoothly flow the decompression distribution and separation solution.
・ Because one of the two pressure control cocks is a tailed nozzle, it is possible to efficiently perform reduced pressure return by removing the receiver connected to the lower part and attaching it to the upper part.