Description
Septa for 13-425 mm Screw Thread Closures (available separately). Choose the septa best suited for your application. Polytetrafluoroethylene (PTFE) Disk septa are chemically inert. PTFE Red Rubber septa are economical for many GC applications. PTFE/Silicone septa are most popular for HPLC and IC applications. Pre-slit septa are easier to pierce with thin gauge needles.
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