Agrobrite T5 48W 2' 2-Tube Fixture with LampsHydrofarms newest T5 system delivers performance, flexibility, and high lumen output in any growing environment. These systems allow you to choose multiple hanging configurations to meet your gardens design. They combine premium grade specular aluminum with energy efficient high output T5 tubes and put out double the light energy of normal fluorescent systems. Features 22. 6"L x 7. 3"W x 2. 8"H 86% reflective specular Lumen output rated up to 4000