1.5ml HPLC sample vials with patch with high quality HPLC clear 2ml vial with inserts with high quality waters-Aijiren 2ml hplc sample vials in clear with writing space supplier. HPLC Vial Autosampler Vials 2ml with Caps, 9-425 Amber Vial with Blue Screw Caps,Writing Patch,Graduation,White PTFE & Red Silicone Septa Fit for LC Sampler (600 pcs