9mm standard 2ml transparent threaded sample vial (2ml automatic sample vial), ¦µ11.6*32mm, vial mouth diameter 9mm, red PTFE/white silicone vial gasket, blue perforated polypropylene (PP) vial cap, The sample vial is transparent, brown, and can be marked with graduations. They are suitable for various types of autosamplers, such as Aijiren, Waters, Varian and Shimadzu.