Microsolv Screw Cap blue, knurled PP, Sil/PTFE low durometer Septa, fittet, for 9-425mm thread, 12x32mm autosampler vials, 1000 pc/PAK.

Caps, Screw Top, with Silicone Rubber / PTFE, low durometer Septa, fitted in knurled, polypropylene, Blue Caps. For use with 9-425mm thread, 12x32mm autosampler vials. MicroSolv Brand. 1000/CS.