0.25 Ml Micro-Inserts, 0.25 Ml Micro Inserts, Glass Micro-Inserts manufacturer / supplier in China, offering 250UL Micro Insert, 31*5mm, Clear Glass, Flat Bottom; Suits for ND8 Vials, 1.5ml 11mm Crimp Vial Autosampler Vial Caps with Septa Sc115111, 1.5ml 11mm Crimp Vial Autosampler Vial Caps with Septa Sc113111 and so on.