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-00025 Deuterium Lamp (1000 hr) Price on request CTS-10465 Deuterium Lamp (2000 hr) Price on request CTS-10699 Deuterium Lamp, Long Life (2000 hr) Price on request