Caps, Crimp Top, with Red Rubber / PTFE Pre-Slit Septa, fitted in aluminum, Sliver Caps. For use with 11mm Crimp or Snap Top, 12x32mm autosampler vials. BASIK Brand. 100/PK.
Additional Info:
This Pre-Slit Septa is sometimes used in Solid Phase Micro-Extraction (SPME) methods and when 2ml vials are being used.