The Pacific CL420 Radiator is a high-performance 420mm copper radiator with high-density copper fin design and brass tank. Built for 140mm high-static pressure fans, the radiator is manufactured from premium-quality materials that provide exceptional performance, unrivalled reliability. The unique stainless steel side panels guarantee the durability as well as reduce the weight of the radiator. 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 Pacific CL420 Radiator meets your cooling needs in every way.