Conical 250ul micro insert vial price Aijiren-Aijiren Vials . Vials Cap Septa for GC HPLC Our product range includes a wide range of hplc solvent inlet filter, inlet filters, debubbler, 2ml amber sample screw vials, 250ul conical micro-insert, vial micro-insert and .5ml clear screw neck vial w/write-on spot.