Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G3870-20530 Extraction Lens Insulator 17 079,21 Kč G1999-20432 73CI Repeller 12 637,56 Kč G7005-60170 RIS Probe Maintenance Kit 26 332,65 Kč