ANW HPLC LC Pre-Slit 9-425 Screw Thread Vial Caps, 9 mm, PTFE Autosampler Vial, 2ml HPLC Vial, Clear Lab Vial, Sample Vial with Writing Area, 9-425 Screw-Thread Vial, Blue Screw Cap with Hole, White PTFE & Red Silicone Septa 100 Pack by Alberts Filter 4.8 out of 5 stars 27