11mm Crimp Top Vials for Autosampler. PTFE/Silicone/PTFE septum provides excellent resistance to core rings. Wide range of autosamplers. Good quality control such as height, diameter, bottom, thickness, neck/thread, cleanliness, etc. Consistent quality across batches. Rated 4.9 /5 based on 275 customer reviews. 1.5ml autosampler vial 1.5ml