Short Graphite Ferrules - 0.0625 in x 0. - 09200785

Perkin Elmer - Short Graphite Ferrules - 0.0625 in x 0.4 mm I.D./0.5 mm I.D., Pkg. 10. Of the three ferrule types available, graphite is the softest, making it less damaging to capillary columns when overtightened. Graphite seals easily and does not stic