The Litelume LED Center Basket Volumetric Troffer Retrofit Kit (LL-CVTRK) is designed to transform existing 2X2, 1X4, and 2x4 fluorescent recessed luminaires into high performance LED luminaires. Delivering general ambient lighting in a variety of indoor settings, including schools, offices, hospitals and stores. This high-efficacy luminaire provides longlife and uniform illumination, as well as standard 1-10vdc dimming capability.