Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G1946-60157 LCMS TOOL KIT 1 679,44 € G7000-20446 Extractor Lens, 6mm, for 7000B QQQ 1 584,03 € G1999-20443 73CI ION Focus Lens 193,90 €