The Commercial Retrofit Kit provides the best price-performance combination on the market when compared to new construction installs or traditional lamp/ballast replacements. With its pre-wired assembly design, this kit decreases install time without compromising quality of light or your return on investment. Retrofit existing parabolic or troffer 2' x 4' or 2' x 2' luminaires as low as 3-1/4" deep. Ideal for any commercial application where energy savings, cost and a quick payback are important. Certain airborne contaminants can diminish the integrity of acrylic components. Refer to the Material Compatibility tables for additional information.