aijiren HPLC Pre-Slit 9-425 Screw Thread Vial Blue Caps, 9mm, Blue PTFE/White Silicone Septa, 100 pcs/pk Eowpower 500 Pcs Clear Blue 1000UL 1ml Laboratory Lab Plastic Liquid Pipette Pipettor Tips Ricca 9153-1 Water, HPLC Grade, ACS Reagent Grade, Suitable for Ultraviolet Spectrophotometry and Liquid Chromatography, 4 L