WHEATON® Headspace Screw Thread Closure, White PTFE / Transparent Blue Silicone Septa
Magnetic screw caps allow for use in magnetic transport autosamplers
Screw thread finish eliminates the need for...
Assembled screw cap with hole with PTFE/silicone septum black polypropylene hole cap, thread for 8-425, PTFE/silicone, septum thickness 1.5 mm, for use with 2 mL vial (standard opening),...