4ml Routine Amber Vial for Sigma-Aldrich Professional-Aijiren Vial, screw top, clear, deactivated (silanized), certified, 2 mL, 00/pk. Vial size: 2 x 32 mm (2 mm cap) 00Pcs 2ml Lab Amber Sample Vial,9-425 Screw-Thread 00pcs 2ml HPLC Vials 9-425 Screw Top With Pre-slit Caps For Aijiren Autosampler USD $2.82 00pcs 0ml Sample Vials+Cap Lab Glassware Amber Bottle 20mm Crimp Top Headspace.