Chromatography Vials,Caps,Septa & Inserts,Tubes,Global supplier of HPLC&GC consumables. Our major products are chromatography autosampler vials with closures,inserts,crimper and syringe filters,etc; Water analysis consumables such as COD test tube. 1.5mL 8-425 Screw Neck Vial ND8 1.5mL 9mm Short Thread Vial ND9 1.5mL 10-425 Screw Neck Vial ND10 1.5mL 11mm Snap Ring Vial ND11