Caps, Screw Top, with White Silicone Rubber / Natural PTFE Pre-Slit Septa, fitted in "knurled", polypropylene, Black Caps. For use with 9-425mm thread, 12x32mm autosampler vials. BASIK Brand. 100/PK.
This is our lowest cost Screw Cap with Pre-Slit Septa for Autosampler Vials.
Natural PTFE is equally inert and as durable as Red PTFE, but dyes have been added to it. Normally recommended for Waters® Alliance and Acquity instruments.
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