HPLC column ovens and injection valves, gas chromatograph detector boards and control panels, mass spectrometer ion sources and controllers, dilutor pumps and vortex mixers. Agilent and HP parts for the 1200 Series and the 5890 GC sit beside Thermo, Jasco and Gilson pieces. An analytical chemist or service engineer keeping a working instrument in service finds used and new old stock (NOS) modules here.
More lab gear is in Lab Equipment.