4ml 13-425 screw neck vial, also called wash vial or waste vial, is for cleaning the needles during automatic sampling and also can be used for GC and HPLC. 4mL 13-425 Screw Thread Autosampler Vials are widely used in compound storage as well as for chromatography sample vials. Vials are manufactured of Clear, or Amber borosilicate glass and include a write-in patch for sample identification. Available with graduated marking spots. Available as closed or open top screw seals with 13-425 thread. Our septa use only the highest quality materials to ensure proper function and can be pre-slit to ease needle penetration.
