Glass Vial Inserts for 2ml HPLC Vials. Volume: 150ul, 250ul, 300ul. Bottom Type: Mandrel Interior & Polymer Feet; Conical Bottom, Flat Bottom. Suitable for : 8-425, 9mm, 10-425, 11mm Vials. hplc vial insert insert for hplc vial micro vial insert Vial Inserts.