Tungsten Lamp, i-Series Back Catalog number: CTS-21693 Availability: In the manufacturer's stock Price on request - + Recommended 5610105000 Selenium - Se, Coded HC Lamp, 1/pk 707,12 € 530,34 € 5610126200 Potassium - K, Uncoded HC Lamp, 1/pk 459,98 € 344,99 € 5610125700 Niobium - Nb, Uncoded HC Lamp, 1/pk 459,98 € 344,99 €