Electron Multiplier, 1015, 3000, OWA 1020, 5100, OWA style before 8-81 -on axis
Unmounted Electron Multiplier for Ion Trap Mass Spec (including ITD 700/800/ITS40/Magnum)
Electron Multiplier for PolarisQ, GCQ, LCQ deca-duo,Trace MSQ, LTQ, SSQ, TSQ7000, TSQ Quantum -Plug-in
Electron Multiplier for Thermo LTQ, Polaris Q, GCQ, LCQ Deca-Duo -Full Assembly