15x45 WISP Autosampler Vials, Closures, and Inserts Chrom Tech carries 15x45 mm vials in 13-425 screw thread, snap, and crimp vials. These vials are specifically designed for liquid injection applications with WISP autosamplers and Shimadzu 48 autosamplers. Our vials for WISP autosamplers are made with high-quality materials but offered at competitive prices.