These wide mouth autosampler vials are appropriate for many chromatography applications, including:HPLC,GC,IC,UHPLC,Sample storage.Snap vials have more glass in the neck area, minimizing breakage during the decapping procedure. Supelco HPLC 4ml vials quote-Lab Autosampler Vial. Vials Catalogue v10.indd - Labicom.czdepartment for a quotation.