* Accurate * Stable performance * Simple operation Item No Description KIT/CTN YS20001 20ml, 30atm/bar, with stopcock (Right On) 20 YS20002 20ml, 30atm/bar, with stopcock (Right Off) 20 YS20003 30ml, 30atm/bar, with stopcock (Right On) 20 YS20004 30ml, 30atm/bar, with stopcock (Right Off) 20