Microsolv Screw Cap black, Silicone Rubber/PTFE Septa, fitted in smooth sided, Robo Style, soft PP, for 9-425mm thread, 12x32mm autosampler vials,

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