Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G7000-20444 Extractor Lens, 3mm, for 7000B QQQ 6 432,31 Kč 05971-20134 Draw out plate 3 605,99 Kč PST-CHC Phoenix S&T Temperature controller Price on request