Caps, Screw Top, with White Silicone Rubber / Beige PTFE Septa, fitted in knurled polypropylene, White Caps. For use with 24-400mm threaded EPA Style vials. ND24 threads. MicroSolv Brand. 100/PK.

Additional Info:

EPA quality septa is 45 Shore A, (Hardness), is 3.2mm thick and can be used for EPA testing or for long term storage with any 30, 40 or 60 EPA Style vial that has 40-400 threads.

Cap has a 12.5mm top hole.


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