Chromatography Autosampler Vial Caps Only 13mm Autosampler Vial Crimp Caps Thermo Scientific™ 13mm Autosampler Vial Crimp Caps Catalog number: C4015-1AP Technical Support Customer Service Thermo Scientific™ 13 mm Snap/Crimp Caps and Septa are available in an assortment of materials to match your chromatography application needs.