Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended 610-PO10-01 50:1 to 1,000:1 Split Ratio, Post-Colum Flow split Price on request G3870-20444 Extraction Lens, 3mm 285,82 € 05971-20143 ION FOCUS-ONE PIECE 583,90 €