Product details:

Lithonia Lighting GTL Series LED Lensed lay-in troffer employs 32.3-Watt long life LED lamp with average life of 60000 hours to deliver light of brightness 3261 Lumens. LED Lamp has efficacy of 129 LPW and color temperature of 3500K. It has voltage rating of 120 - 277 Volt. Troffer measures 24 Inch x 24 Inch x 3-1/4 Inch. It is ideal for use in offices, schools and commercial general ambient applications. Troffer is DLC listed and CSA certified.