Manufacturer of Vial Cap And Septa - HPLC Vials, Our autosampler vials and caps are supplied high quality , ... We offer a full range of 2ml, 4ml, 10ml, up to 20ml vials and above, including VOA and EPA vials at 40mls. These are available in Clear Glass and amber glass formats for many types. We offer clear glass , Amber glass , ...