Long Life HiS Deuterium Lamp, 8 pin, RFID (2000 hr Back Catalog number: 11-4109 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-00025 Deuterium Lamp (1000 hr) Price on request CTS-10494 Long Life Deuterium Lamp (2000 hr) Price on request CTS-10827 Long Life Deuterium Lamp (2000 hr) Price on request