The Thermaltake Pacific RL Series introduces high-quality radiators to deliver outstanding water cooling performance for the enthusiast?? PC. Manufactured from high-quality German aluminum alloy and aerospace-grade materials, configurations of 140mm, 280mm, 420mm, and 560mm are available to provide exceptional performance. Integrated G1/4″ threads make it easy to install, while rigid connections ensure leak-resistant measures are in place. With an ideal mounting, fitting and flow set-up, the Thermaltake Pacific RL Series meets your cooling needs in every way.