Deuterium Lamp, SPD-M10Avp/M20A (2000hr) Back Catalog number: CTS-21694 Availability: In the manufacturer's stock Price on request - + Recommended 5610124900 Lithium - Li, Uncoded HC Lamp, 1/pk 489,07 € 5610134200 Bismuth - Bi, Coded UltrAA HC Lamp, 1/pk 1 064,28 € 5610104200 Potassium - K, Coded HC Lamp, 1/pk 636,35 €