Snap Vials, Screw Neck Vials, Crimp Vials with wide neck The Kinesis Autosampler Vials are available in clear, clear with label and filling lines and amber with label and filling lines. Caps & Septas. Proper septa selection is critical to prevent contamination and avoid damage to the needle and instrument. Choose from a wide range of caps and septas that suits your vials and applications.