Aijiren Gc Vials found in: 4 mL Screw Top Vials, Caps and Septa Kits, Vial rack label kit for , Screw Top Vials, MS Analyzed Vial Kits, Wide Opening.. , and autosamplers Screw top 4 mL glass vials are a custom fit to the Aijiren autosampler tray for use as sample as well as wash vials