Microsolv Screw Cap white, knurled PP, white Sil/natural PTFE Pre-slit Septa, 9-425mm thread, 12x32mm autosampler vials, 1000 pc/PAK

Caps, Screw Top, with White Silicone Rubber / Natural PTFE Septa, fitted in knurled, polypropylene, Black Caps. For use with 9-425mm thread, 12x32mm autosampler vials. BASIK Brand. 1000/CS.