ECO A.L.C. CPU Cooler; The ECO Advanced Liquid Cooling (A.L.C.) system is an elegantly engineered ultra low profile CPU thermal solution positioned at an economical price point. The copper base and quiet 120mm fan work together to provide maximum cooling performance while keeping the noise level to a minimal. The extremely compact ECO A.L.C. comes pre-assembled making it easy to install into a computer case with a 120mm fan mount.