Agrobrite T5 Light Fixtures deliver performance, flexibility, and high lumen output in any growing environment. These systems allow you to choose multiple hanging configurations to meet your needs. They combine premium grade specular aluminum with energy-efficient/high-output T5 bulbs and put out double the light energy of normal fluorescent systems. Fixtures feature powder coated steel housing, are low profile (3" high), can be hanged 3 ways (overhead, vertical, or horizontal), grounded power cord and includes fluorescent 6400K tubes. 6 and 8 tube models feature dual On/Off switches allow you to control the amount of lumens as needed. 4' 8 tube fixture measures 3"H x 26" W x 46" L