GRAPHPACK®-2M ferrules for column outside diameter Back Catalog number: 001805-040-00 Availability: In the manufacturer's stock Price on request - + Recommended 8001-0211 Ferrule 0.4mm Graphite 0.25 col 10pk SHM 121,52 € 8010-0313 Ferrule 0.8mm Gph/Vsp 0.53 col 10pk 54,57 € 5182-3477 TCD Back Ferrule for 1/8in inlet 10/PK 98,22 €