Wheaton limited volume autosampler vials are lightweight, economical and can be used in most standard gas and liquid chromatography autosamplers. Constructed of polypropylene which has good chemical resistance. Vials feature a 9mm ABC Vial screw top finish and 300μL limited volume plastic insert. 32 H x 12mm Diameter. Polypropylene. 9mm Closure Size. ABC Screw Thread Finish Closure Style