250ul spring bottom vial insert suit for crimp vials from Professional 250ul insert for hplc vials Aijiren Singapore. Chromatography Vials, Caps, Septa & Inserts, Tubes, Crimper, Aijiren, Inc. 8-425 Screw Neck Vials ND8 Part No. Description Pk IP150 150uL Micro-Insert with Mandrel Interior & Polymer Feet, 29*5mm, Suits for 8-425 Vials 100 IP150-I 150uL Micro-Insert with