4ml vial cap with septa

Black PP material with leak-proof closed-top design. Septa-free structure prevents sample contamination. Fits standard 4ml vials.

13mm Polypropylene Screw Caps | Septa-Free Closure

4ml 13-425 glass vial is finished in standard 13-425 screw, so the 13mm wide opening plastic cap is compatible with this glass vial. 13mm screw plastic cap is equipped with PTFE/silicone septa.

Caps with Septa for 4ml 13-425 Screw Vials for Lab Use

The 13mm septum uses only high-quality materials to ensure proper function. It can be slit in advance to facilitate needle penetration. It is especially suitable for liquid chromatography applicati...

4ml 13-425 Screw HPLC Vial Cap With Septa for Supplier