Caps, Screw Top, with Silicone Rubber / PTFE, low durometer Septa, bonded in "knurled", polypropylene, Yellow Caps. For use with 9-425 thread, 12x32mm autosampler vials. MicroSolv Brand. 1000/CS.
Additional Info:
Low durometer makes the Septa easier to penetrate by the autosampler needles.
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