GTL-4-40L-GZ10-LP835 by LITHONIA LIGHTING - Buy or Repair at Radwell - Radwell.com
Lithonia Lighting Contractor Select GT 4 ft. x 2 ft. 128-Watt Equivalent Integrated LED 4567 Lumens Commercial Grade Troffer, 4000K 2GTL4 4400LM LP840 - The Home Depot