ANW HPLC LC Pre-Slit 9-425 Screw Thread Vial Caps, 9. Make sure this fits by entering your model number. Pre-slit Screw Thread Top 9 mm. Suitable for 1.5 mL, 1.8 mL, 2 mL 9-425 vials. Blue screw cap with PTFE / Silicone septa Compatible with most Autosampler vials Autosampler Vial, 2ml HPLC Vial with Caps, 9. Quote Now.