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 G7000-20444 Extractor Lens, 3mm, for 7000B QQQ 6 432,31 Kč G1960-20032 ESI Needle 6 042,47 Kč