... stopcock 50 YS21002 25ml, 30atm/bar, with stopcock and Screw Type Hemostasis valve Set 50 YS21003 25ml, 30atm/bar, with stopcock, Screw ... 50 YS21004 25ml, 30atm/bar, with stopcock and Push-pull Type Hemostasis valve Set 50 YS21005 25ml, 30atm/bar, with stopcock, Push ... 30atm/bar, with stopcock and Y-click Hemostasis valve Set 50 YS21007 25ml, 30atm/bar, with stopcock, Y-click sideon Tubing and Stopcock ...