micro-insert, Amber, screw vial, Clear, Silanized screw vial, Amber, Silanized 220-97331-62, 30 uL, 200 ul, ND9 wide opening vials, , Conical. Vial Inserts - Chromatography | qecusa.com. QEC has limited-volume inserts to fit 8mm standard opening vials, and 9mm, 10mm, 11mm wide opening vials. Limited-volume inserts are an economical way to