PTFE Septa suit for 2ml Vial–Aijiren Autosampler Vials PTFE Septa suit for 2ml HPLC Vial Aijiren uses polytetrafluoroethylene and high-quality silicone rubber or ultra-pure silicon as raw materials to ensure that the gasket is non-toxic; the PTFE membrane is bonded with silicone rubber Septa Cap Vial at Thomas Scientific Septa Cap Vial found in: Caps and Septa for Screw Thread Vials, Thomas