HPLC Vials,Autosampler Vials, 2ml Vials 9mm autosampler vials, clear, with screw caps & septa 9mm screw thread caps, septa, and vials are designed especially for use with Aijiren’s and other rotating or robotic are samplers 2ml 12*32mm clear borosilicate glass vial,with a write-in patch; high quality polypropylene caps, ptfe / silicone septa can be pre-slit to easy needle penetration