Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G3170-20430 CI ION Source Chamber 33 841,15 Kč G1099-20133 Repeller insulator 4 547,40 Kč G3170-20530 Lens insulator,597X MSD 16 418,25 Kč