The Chromatography Direct range of https://www.hplcvials.com/products/6-20ml-gc-headspace/20mm-crimp-top-headspace-vials-aluminum-seals.html and Caps are available in 20ml Amber and Clear, 10ml and 6ml in a variety of flat and round bottom – suitable for CTC, Perkin Elmer and Agilent autosamplers.
