Aquatic Life Introduces The T5 HO Hybrid Mounting System Fixture All Reef Hobbyists Have Been Waiting For – Available in 24″, 36″, 48″ and 61″ lengths for 18-24″ wide (front to back) aquariums. Universal mounts included for EcoTech Radion (TM), Kessil 360 (TM), and AI Hydra & AI Prime (TM) LED Fixtures. This unique fixtures features all of the hardware you need to mount popular Reef LED Fixtures in the center of the light and offers two T5 HO bulbs on either side for a total of four bulbs. The T5 HO light fixtures feature individual reflectors and HEP ballasts for the best possible output. Silicon sockets and a black powder coated frame make this light sleek and attractive and allows you to combine the two best types of Reef Lighting in the hobby to date. This new mounting system with T5 HO lamp housings is for use with the Kessil 360, EcoTech Radion and AquaIllumination Prime LED fixtures, and includes universal mounting brackets to install them into the fixture. Suspension hardware included – lamps, mounting arms and LED fixtures NOT included. Features: HEP (TM) Brand ballasts drive all T5 HO lamps, including popular ATI (TM) and Giesemann (TM); Silicone socket lamp endcaps protect pins of T5 HO lamps from moisture and salt creep; Reflector design keeps light output focused inside the aquarium.