2x4 50W Lithonia Lighting Stack LED TrofferSlim Profile Lay In Troffer from Lithonia Lighting STACK troffers achieve volumetric illumination by creating an optimal mix of light to walls, partitions and vertical and horizontal work surfaces, rendering the interior space, objects and occupants in a more balanced, complimentary luminous environment. Easy Installation Even in Tight Spaces This troffer fits into standard 15 16" and narrow 9 16" T grid ceiling systems and includes easy to position
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