Introducing a new generation of performance PC radiators. The EX series combines the low profile design of our RS series radiators with the high performance of our award winning RX series. This feat has been possible due to several manufacturing advances including, split fins, improved soldering techniques, and welded seam tubes. The EX series has been designed and optimized for low speed fans, so it can offer high performance cooling at very low noise levels.15mm fan spacing!Note: Barbs NOT included!Warning!! Please check screw length before installing to ensure they are the proper length for your application. RMAs for radiator damage due to improper installation with not be authorized!