The 4ml Chromatogrphy Vials produced by Aijiren is 15x45mm, has 13-425 GPI threads, and can hold up to 4ml samples. Can be used as cleaning, waste liquid or storage Vial, Sample vials are preferentially used in the instruments of market brand manufacturers: Dionex, Shimadzu (AOC-14/1400, LC-10A and SIL-2AS), Spark, Varian, VWR (MERCK®) / Aijiren autosampler tray ( ), Perkin-Elmer