Autosampler vial kits, pre-assembled | VWR. The 8 mm vial convenience kits save time during sample preparation and reduce the risk of contamination. Autosampler Vials | Fisher Scientific. Use these 11 mm clear glass vials with snap caps or aluminum crimp seal closures. Fisherbrand™ 300 μL PolySpring Autosampler Vial Inserts.