2ml hplc autosampler vials with label for hplc system Aijiren 3-425 screw sample vial 24-400 screw vial Crimp top GC vial ND crimp vial ND snap vial ND9 screw vial Screw Certified Verex Vials for Chromatography Applications High Quality Glass HPLC, GC, and Autosampler Vials to Meet Your Needs Verex HPLC, GC, and autosampler vials offer the lowest ion content possible to reduce sample loss