Dec 21, 2013 · Lab Autosampler Vials – Amazon.com Results 1 – 24 of 1000+ 2ml 9mm HPLC Vial,Clear Autosampler Vial, Borosilicate Sample Vial, Blue Screw Cap with Hole, Red PTFE&White Silicone Septa, 2 mL Screw Top Vials and Screw Caps | aijiren Our screw top vials and screw caps are the perfect fit for HPLC and GC instrument of septa constructed from either PTFE silicone or natural red