Vial Cap & Septa 10-425 Black Cap PTFE/Silicone/PTFE Septa, Pack of 1000. Wheaton® 225129 Polypropylene 4mL Autosampler Shell Vial . HPLC and GC Vials, Caps, Septas and Inserts Guide . Mar 22, 2020 · 3. Screw 13-425 4mL Vial, Cap, Septa and Inserts . Glass autosampler vial, 4ml, 15mm x 45mm, used with 13-425 screw caps.