Caps, Screw Top, with Silicone Rubber / PTFE, low durometer Septa, bonded in "knurled", polypropylene, Black Caps. For use with 9-425mm thread, 12x32mm autosampler vials. MicroSolv Brand. 100/PK.
Screw Thread: 9-425mm, ND9.
Non-slit for better sealing before injection. Not recommended for Waters® Alliance autosamplers. Recommended for HPLC.