Aug 05, 2021 · Vials and inserts forGC, HPLC and Life Science applications. We offer screw, crimp, snap, wide mouth, 8mm, 9mm, 11mm, 10-425, 13-425, 13mm, autosampler, headspace and reaction vials. If you need an insert for your vials we can offer glass, polypropylene, tapered bottom, flat bottom, ring neck, flanged and step, bottom spring and top spring.