Nov 22, 2021 · rubber septum cap for wholesales for HPLC Vials Sigma-Aijiren Assembled screw cap with hole and TFE/rubber septum black polypropylene hole cap, 13-425 thread, PTFE/red rubber septum, for use with 4 mL vials with 13-425 thread, pkg of 100 ea: 854991: Vials, screw top, amber glass (vial only) volume 20