Lithonia Lighting Contractor Select GT 2 ft. x 4 ft. Integrated LED 4000 Lumens 4000K 120V Commercial Grade Recessed Troffer 2GTL4 A12 120 LP840 - The Home Depot
LED Panel Light 2x4ft Fixture 50W/60W 0-10V Dimmable, Pack of 2 - SoCal LED Lighting, Inc
LED Flat Panel Ceiling Light 2X4 - 3500K Neutral White - Dimmable - With Extra Surface Mount Kit