High quality chromatography vial sample with screw caps. gas chromatography vials glass with closure with high For use with snap caps or aluminum crimp seal closures,these high-quality 11mm sample vials supplier glass vials are 2mL,12x32mm and fit most brands of autosamplers. 28 sample vials for sale 9mm Non-Asseled Plastic Screw Thread Wide Opening Autosampler Vial Kits