Microsolv Screw Cap black, smooth sided, Robo Style, soft PP, Silicone/PTFE Pre-Slit Septa, for use with 9-425 thread, 12x32mm autosampler vials,

Caps, Screw Top, with Silicone Rubber / PTFE Pre-Slit Septa, fitted in smooth sided, Robo Style, soft polypropylene, Black Caps. For use with 9-425mm thread, 12x32mm autosampler vials. MicroSolv Brand. 1000/CS.