Autosampler Vial, 2ml HPLC Vial with Caps, 9-425 Amber Vial with Blue Screw Caps,Writing Patch,Graduation,White PTFE & Red Silicone Septa Fit for LC Sampler(100pcs,Brown) 3.8 out of 5 stars 10 $21.99 . Autosampler Vial, 2ml HPLC Vial, Clear Chromatography Lab . 3. 2ml Capacity,12x32 mm Dimensions, Screw Thread 9-425 Neck,100/pack 4.