4 Pack 2x4 FT LED Flat Panel Light 50W 3000K-3500k-4000K-5000K, Recessed Back-Lit Drop Ceiling Light, 24x48 inch LED Drop Ceiling Lights 0-10v Dimmable, 100-277V 5500LM - Amazon.com
Color Selectable 3500K/4000K/5000K - 2x4 Feet LED Troffer Retrofit Light- 6,300 Lumen - Tunable - 50/45/40 Watt Troffer Light