2ml HPLC and GC Glass Vials with Crimp and Screw Finish Product Description Crimp Vials are used for chromatography analysis, it can be used in HPLC/GC Appliion. Product Features1. Can be used on all common PRODUCT INFORMATION Product Description 1.4ml Screw Neck hplc Vials ND13 2.13-425 PP Screw caps, PTFE/silicone septa