www.restek.com. Pure Chromatography. • 2 & 4 mL Vials & Caps. • Inserts Fit all 2.0 mL, 12 x 32 mm, crimp-top vial-based autosamplers. Ideal for aijiren. 2mL 8-425 Amber Screw Top Autosampler Vials w - Filtrous. Compatible with aijiren, Shimadzu, and aijiren Technology autosamplers. Screw closure; Borosilicate glass material; 12 x 32mm; 8mm neck width