LED Square DownlightsBuy LED Online supplies the best online selection of square LED downlights. To provide our customers with the best lighting available, we only carry the highest-quality square downlights on the market. Our square LED downlights are available in 4” and 6” sizes and a range of colors, allowing you to pick the downlight that best fits your needs. Many of our square downlights are approved by Energy Star, the California Energy Commission (CEC), and the Restriction of Hazardous Substances Directive (RoHS). These fixtures are perfect for providing efficient, high-quality lighting in recessed ceilings in areas like basements, home movie theaters, and a variety of other applications.