Source Lighting Factory ip44 Ultra thin 60x60 led panel light on m.alibaba.com
Lithonia Lighting 4-ft x 2-ft Cool White LED Panel Light in the LED Panel Lights department at Lowes.com
Lithonia Lighting CPX 2X4 ALO8 SWW7 M2 White Contractor Select CPX 24" x 48" Switchable Lumen and Color Temperature Flat Panel LED Ceiling Fixture - LightingDirect.com
Metalux 2 ft. x 2 ft. 3416 Lumens Integrated LED Panel Light 4000K 22CGFP3540C - The Home Depot
LUXRITE 2 ft. x 2 ft. 2750/3300/3850 Lumens Integrated LED Panel-Light 3 Color Options 3500K/4000K/5000K Dimmable (2-Pack) LR25705-2PK - The Home Depot