4mL 13-425 Screw Neck Autosampler Vial ND13--Aijiren HPLC . We supply autosampler vials, septa and caps at factory price. 1. 4mL 13-425 Screw Neck Vial ND13 can be used for GC and HPLC. 2. Made from advanced technology and excellent raw materials. 3. Asseled with cap and septa , use them instantly to save your time. 4.