8mm 2ml HPLC Vials for PERKIN ELMER. The 8-425 Autosampler Vial provided by Aijiren can choose Caps with or without a center opening, an autosampler with a center opening for easy sampling, and an HPLC Vials without a center opening for storing samples. Sapmle not easy to damage and volatilize. Rated 4.6 /5 based on 298 customer reviews.