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The CBT is an affordable LED lensed troffer with smooth, even illumination. With its LED energy saving technology, CBT is perfect for offices, classrooms and many other applications. Switchable Lumen technology creates built-in versatility; choose between three configuration options for the right output with one easy switch.<br><br>

Columbia CBT LED Back-Lit Troffer Panel 2&quot; x 4&quot; , Switchable Lumens, 3500K, 0-10v Dim, 120-277V

cbt-led-back-lit-troffer-panel-2-x-4-switchable-lumens-3500k-0-10v-dim-120-277v

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