Certain features of will be down for maintenance the evening of Friday August 18th starting at 8:00 pm CDT until Saturday August 19th at 12:01 pm CDT.   Please note that you still have telephone and email access to our local offices. We apologize for any inconvenience.

Glass Stopcocks

  • J Young, Kontes and Safe-Lab stopcocks
  • High-vacuum and needle valve stopcocks