Sep 09, 2020 · aijiren’s 2ml 8-425 Clear Glass Vial has a matching Micro-insert, the specification is 150uL, 29*5MM, divided into Micro-insert with Mandrel Interior&Polymer Feet, Conical Bottom Micro-insert and Flat Bottom Micro-insert, this is for the scarcity of samples to be tested It is designed when an autosampler is needed. aijiren is a powerful factory.