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-00128 Deuterium Lamp (2000 hr) Price on request CTS-10699 Deuterium Lamp, Long Life (2000 hr) Price on request 11-4110 Long Life Deuterium Lamp (2000 hr) Price on request