Made in the U.S the Reef Brite Ultra T5 offers proven performance and reliability. The Ultra T5 features a proprietary dual parabolic reflector that allows the maximum amount of light to be transmitted from the lamps for greater penetration. Energy efficient digital electronic ballast saves energy while operating your T5HO lamps at peak performance. The Ultra T5 produces more light, while maintaining ideal lamp temperatures. Add additional supplemental LEDs (sold separately). Includes Dual-Lamp T5 Fixture with 2 x 50/50 bulbs Single LED Bracket *LED strips and dual brackets sold separately Dimensions: 4"H x 10"W (without brackets)