Mastelf 2ml HPLC Vials ND9, designed for Aijiren, Aijiren Technology, Varian and, Shimadzu Autosamplers provide trouble-free operation. The Dust-free workshop, prevent pollution uses. Compatible with ND 9 PTFE Silicone Septa Cap. Also compatible with Vials Insert. .5ml 9mm Screw Thread Autosampler Vials for reverse-phase chromatography.