Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G1947-20029 Corona Needle APCI, 1 each 3 162,24 Kč G1960-20032 ESI Needle 6 117,12 Kč 05971-80103 Electron multiplier replacement horn 53 732,16 Kč