The 4 ft. L LED Troffer from Lithonia Lighting delivers general ambient lighting in applications such as schools, offices and hospitals. Long-life LEDs, coupled with energy efficient drivers, provide extended service life. Low maintenance and easy to install, this troffer works well in applications where LED is desired and budget-consciousness is needed."},"taxonomy":{"__typename":"Taxonomy Housing formed from 22-Gauge cold-rolled steel smooth hemmed sides and smooth inward formed end flanges for safe handling lumen maintenance at 72,000-hours LED drivers deliver dimming from 0-10-Volt control signal 10% dimming level LED boards include plug-in connectors for easy replacement or servicing, suitable for direct insulation contact Highly transmissive pattern #12 lens (0.095 in. thickness), diffuses light source without compromising output Ballast disconnect is provided where required to comply codes CSA certified, damp listed