SCIEEN Autosampler Vial, Clear Glass 12 x 32 mm 9-425 Screw Neck Vial with Cap and Pre-Slit White Silicone&Blue PTFE Septum, 2ml Sample Vial with Writing Patch&Graduation Mark, 100/PK 5 1 offer from $21.99 #20 HPLC Vial Insert, 100ul Glass Insert, 2ml Vial Low Volume Insert, Conical Base with Polyspring, Pack of 100 1 offer from $28.99 #21