The Philips EvoKit LED Retrofit Kits are an energy efficient, easy to install solution to upgrade your fluorescent troffers to LED. Compatible with both standard and narrow T-grids, they offer a simple retrofit that will improve the look of your ceiling with its architectural styling without the need to actually break the ceiling plenum. The units also come standard with dimming capabilities, making them perfect for applications such as offices, classrooms, healthcare facilities, retail space and more. The Philips EvoKit LED Retrofit Kits offer the latest advances in LED technology, resulting in quality lighting with extremely high efficacies of up to 162 lm/w. Both the 2¹x2¹ and the 2¹x4¹ EvoKit are manufactured with quality components and finishes, meaning a consistent, balanced lighting scheme when using both configurations in the same space. The main diffuser and slanted troffer help reduce glare and create a pleasant, uniform throw of the light. Combine the aesthetics and quality with the ease of installation, and this product can literally transform your space in minutes!