Long Life HiS Deuterium Lamp, RFID, VWD (2000 hr) Back Catalog number: 11-4111 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-10473 Deuterium Lamp (1000 hr) Price on request CTS-00025 Deuterium Lamp (1000 hr) Price on request CTS-10854 Deuterium Lamp (1500 hr) Price on request