The Litelume LED Center Volumetric Troffer (LL-CVTECO) Econolume Series is a recessed luminaire designed for retrofit or new construction. This architectural fixture adopts the latest in optical and LED technology providing an evenly pleasant volumetric illuminance. Featuring 3 level lumen output and 3 color adjustable CCT, allowing for customized energy savings and comfortability. High Power factor .90 and low THD. Controls Ready.