China 4ml Vial 13-425 Screw Autosampler Vial Caps with Septa 2021 - 04 - 08 1.4ml Screw Neck hplc Vials ND13 2.13-425 PP Screw caps, PTFE/silicone septa 3.Made of Clear or Amber borosilicate glass Features . 1) For storage Available as closed or open