vials with caps in clear for HPLC and GC manufacturer Waters 2ml hplc autosampler vials with label for hplc system Waters 2ml Clear HPLC Screw Vials with Blue Caps for Sale–Lab . 2ml Clear HPLC Screw Vials are preferentially used on instruments of the following manufacturers: Jasco, Perkin Elmer, Shimadzu, Varian, Waters, etc., or General Storage.