9 mm PTFE/Silicone Pre-slit Septa with Blue Cap - PerkinElmer. 2 mL Autosampler Convenience Kit - 9 mm Screw Top Clear Glass Vial with PTFE/Silicone Pre-Slit Septa, 100/pk. These autosampler vial, cap and septa kits make it surprisingly simple to re-stock your laboratory. Item (s) added to cart. Aijiren lab consumable list - vial, Closure