4 mL, 15 x 45mm screw-top glass vials with fill marks are also appropriate for use as wash vials and waste vials in autosamplers. These vials can also be used in Perkin-Elmer Autosystem GC, Waters 48 position tray autosampler, Shimadzu AOC-14/1400, LC-10A, and the SIL-2AS. Use the 13 x 425 caps with septa for use as sample vials and with diffusion caps for wash vials. These vials can also be used as storage vials.