Screw Thread Autosampler Vials (1.5-2 mL – Sigma-Aldrich Standard autosampler vials with cap and septa, 12 x 32 mm, 8-425 thread volume 2 mL, pre-assembled convenience pack, clear glass vial, PTFE/silicone septa : 2 mL : thread for 8-425: 12 mm × 32 mm × 4.6 mm : PTFE/silicone septa clear glass vial polypropylene cap: pkg of 100 ea