Screw Caps (18mm) Magnetic with Blue PTFE/White Silicone Septa
- Blue PTFE/silicone, 1.5 mm thick, 18 mm magnetic screw-thread headspace caps for SPME
- Utilize magnetic sealing with magnetic transport autosamplers such as Gerstel, PAL/CTC/Leap Technologies, and others.
- Caps only function with Precision Thread Vials; they do not operate with other 18 mm screw thread vials.