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 3 331,24 Kč G3870-20530 Extraction Lens Insulator 17 079,21 Kč PF3607510N5 Self-pack PicoFrit Columns, 360µm/75µm, pk/5 Price on request