Aijiren 10mm hplc vial is suitable for the following brands of instruments: Jasso, Shimadzu, Varian, VWR (Merck)/Hitachi, PerkinElmer, etc. 10mm is 40% larger than the opening of the general liquid/gas injection bottle, which is more conducive to multiple injections. The sample bottle with writing provides a graduated writing label for easy identification of the sample.