Polypropylene Autosampler Vials for HPLC or CE. Screw Caps w/Sili/PTFE Septa pre-slit. Blue. For Waters Alliance™. VWR Cat. No. Description 100/pack. The slightly High Performance/High Pressure Liquid Chromatography (HPLC) VWR 66015-702, vial. Vials: Designed for use in Waters® or Alcott autosamplers.