lab standard opening hplc vials Aijiren -HPLC Autosampler . 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 Wide Opening 250ul insert for hplc vials Aijiren