Agilent provides a range of high-performance column ferrules for various third-party gas chromatography instruments, including PerkinElmer, Thermo Scientific and Varian/Bruker. Graphite, Vespel/graphite, and Vespel column ferrules create consistent, leak-free seals with minimum torque. All column ferrules accommodate various column outer diameters and can withstand temperature cycling. In addition, the specially designed column ferrules prevent sticking to columns or other fittings. Whatever your application, Agilent's column ferrule portfolio can deliver excellent performance for use with your GC system.