Chromatography Standard Opening Crimp Top Vials, 12x32mm, 11mm Crimp Finish C1 Big Mouth Crimp Top Vials, 12x32mm, 11mm Crimp Finish C5 Snap Ring Crimp Top Vials, 12x32mm, 11mm Crimp Finish C10 Snap Seal Vials, Patented, 12x32mm, 11mm Crimp Finish C16 Standard Opening Screw Th read Vials, 12x32mm, 8-425mm Neck Finish C21