Des. Aquamax dual wavelength UV bulb, 185/256nm Back Catalog number: 5001012811 Availability: In the manufacturer's stock Price on request - + Recommended CTS-00135 Deuterium Lamp (2000 hr) Price on request CTS-A123 Lamp Assembly, TSP UV6000 Detector (1000 hr) Price on request 1201533150 YL9120 Deuterium Lamp Price on request