Tungsten Lamp, i-Series Back Catalog number: CTS-21693 Availability: In the manufacturer's stock Price on request - + Recommended 5610126700 Ruthenium - Ru, Uncoded HC Lamp, 1/pk 738,61 € 5610107100 Ca - Mg, Coded HC Lamp, 1/pk 700,71 € 5610126600 Rubidium - Rb, Uncoded HC Lamp, 1/pk 488,09 €