Inserts for 2 mL Standard Opening Vials - Inserts | Sigma Insert for 2 mL standard opening vial, 4.6 mm I.D. volume 0.5 mL, conical clear glass (with bottom spring), O.D. × H 5 mm × 30 mm, pkg of 00 ea pricing 24708 Aijiren 60ml EPA glass vials 2ml HPLC. Iso900 autosample sample vials with patch distributor