Aijiren 2ml screw top vial for hplc -Aijiren HPLC Vials Blue 9-425 Open Top Ribbed Screw Cap with 9mm White PTFE/Red Silicone Septa 1.0mm Thick. | Aijiren Vial, screw top, clear, deactivated (silanized), certified, 2 mL, 100/pk. Vial size: 12 x 32 mm (12 mm cap) 100Pcs 2ml Lab Amber Sample.