Des. Aquamax dual wavelength UV bulb, 185/256nm Back Catalog number: 5001012811 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10494 Long Life Deuterium Lamp (2000 hr) Price on request CTS-00246 Deuterium Lamp (1000 hr) Price on request 11-4111 Long Life HiS Deuterium Lamp, RFID, VWD (2000 hr) Price on request