11 mm Crimp Top Clear Glass Vial with PTFE/Silicone – PerkinElmer. 2 mL Autosampler Convenience Kit – 11 mm Crimp Top Clear Glass Vial with PTFE/Silicone/PTFE Septa, 100/pk. false. These autosampler vial, cap and septa kits Vial Caps, Septa & Accessories | SECO – Scientific Equipment . 203 Product Headspace Crimp Seal, 20 mm, Natural