Greyhound 1/4" - 0.4mmID Vespel/Graphite Ferrules

  • Upper temperature limit: 400°C

  • Made from 60%/40% Vespel/Graphite

  • Recommended for GC/MS interface applications

  • One-piece design requires no back ferrule

  • Precision drilled ID

  • Reusable

  • 0.4mmID ferrules fit 0.25mmID capillary columns