Chromatography Vials, 300µL Interlocked™ Vial/Insert, Big Mouth, 11mm Crimp Top, Amber Borosilicate Glass with Marking Spot, 12x32mm, 100/CS Chromatography Vials, Polypropylene Conical Limited Volume Inserts, 12x32mm Big Mouth Crimp Top Inserts, 11mm Crimp Finish