Shell vials are an economical choice for many routine HPLC applications. These neckless vials with inserts are sold as kits including polyethylene push in caps to assure proper fit and function. Vial selections include clear glass, amber glass or polypropylene. 8x35mm shell vials are designed specifically for Alcott Positive Displacement autosamplers. Choose from Thermo Scientific™ National™ and Chromacol™ brands.