Global Lighting Technologies (GLT) Inc. (Brecksville, OH) offers a 2 × 2 ft.2 LED flat panel downlight assembly as an efficient replacement for fluorescent lay-in troffers used in recessed ceiling lights. The OL2 ceiling light employs GLT’s edge lighting technology, with 100 LEDs spaced along two sides of the light guide for optimal light dispersion. Four models are available, with color temperatures ranging from warm white to cool white (3000K, 4000K, 5000K, and 6000K). Brightness (luminous flux) ranges from 2050 lm to 2840 lm, with efficiencies from 45.5 lm/W (at 3000K) to 62.8 lm/W (at 6000K).

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