Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G1999-20443 73CI ION Focus Lens 195,72 € 610-PO10-01 50:1 to 1,000:1 Split Ratio, Post-Colum Flow split Price on request 05971-80103 Electron multiplier replacement horn 2 146,71 €