Microsolv Screw Cap black, knurled PP, with white Sil/red PTFE Septa, for 10-425mm thread, 12x32mm wide mouth autosampler vials, 1000 pc/PAK

Caps, Screw Top, with Silicone Rubber / PTFE Septa fitted in knurled, polypropylene, Black Caps. For use with 10-425mm thread, 12x32mm wide mouth autosampler vials. Compare to Shimadzu Caps. BASIK Brand. 1000/CS