The OpticaHP Retrofit Kit is an effective Energy Savings Alternative" for today's environmentally conscious marketplace. The OpticaHP Retrofit Kit is designed for installation into a 2' x 2', 2", 3", 4" or 5" parabolic fixture. This retrofit system has been carefully developed to produce comfortable, optimum lighting levels with energy awareness considerations. In today's marketplace where Economics, energy awareness and conservation are key product specifications, the OpticaHP Retrofit Kit is the smart solution. Ideal for any commercial, educational and retail merchandising retrofit applications. Certain airborne contaminants can diminish the integrity of acrylic components. Refer to the Material Compatibility tables for additional information.