PerkinElmer* Autosampler Micro Vials - Each. Use with Caps # 470-45605, 470-44969, 470-45200, or 470-44081. Autosampler vials, available for use with PerkinElmer Autosamplers, are guaranteed for fit and compatibility. Both the borosilicate glass and polypropylene vials are totally inert to samples ordinarily analyzed by Liquid Chromatography.