Tungsten Lamp, i-Series Back Catalog number: CTS-21693 Availability: In the manufacturer's stock Price on request - + Recommended 5610100600 Bismuth - Bi, Coded HC Lamp, 1/pk 643,37 € 5610123700 Gadolinium - Gd, Uncoded HC Lamp, 1/pk 656,23 € 5610100400 Barium - Ba, Coded HC Lamp, 1/pk 631,42 €