Caps, Snap Top, with PTFE, ultra-pure, 2mil Septa, fitted in smooth, polyethylene, Blue Caps. For use with 11mm, 12x32mm, Snap Top autosampler vials. AQR Brand. 100/PK.
Additional Info:
This PTFE (only) Septa is for single injections or non-volatile samples as it will not reseal.