Detech 401A Electron Multiplier Back Catalog number: 401A Availability: In the manufacturer's stock Price on request - + Recommended G3170-60171 5975C Inert EI 350 Repeller Assembly 37 648,28 Kč G3870-20444 Extraction Lens, 3mm 7 138,37 Kč G1946-20274 Flanged Needle Holder 5 631,38 Kč