Caps, Screw Top, with Red Butyl Rubber / Grey 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:
Septa is 55 Shore A, (Hardness), is 2.5mm thick and can be used as an autosampler vial cap 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.