The white Luna 12 LED Cooling Fan from Thermaltake provides efficient and quiet cooling to your PC system. It can be set up to either to pull cool air into the PC system, or to push hot air out of it. The balanced fan blades reduce noise, and the long-life fan bearing offers reliability and extends system life span. The enlarged fan frame opening enhances inflow by 60%, and the double curved fan blades provide higher air pressure with low noise level.