HPLC Vials 13-425 4ml Screw Vials - Quzhou Lab HPLC Vials 13-425 4ml Screw Vials 13-425 screw thread caps, septa, and vials are designed for specific use with the aijiren Technology WISP 48-Position Autosampler Vials are manufactured of Clear, Type 1 Class A or Amber, Type 1 Class B borosilicate glass and include