ND11 crimp vial-Aijiren Vials for HPLC/GC. 4.Vials have a 40% larger opening than standard opening aluminum seal vials. 5.Vials are manufactured of Clear or Amber borosilicate glass. 6.The standard 12x32mm profile is compatible with 11mm aluminum seal closures. 2ml HPLC Crimp Top Autosample