Isn't PC cooling all about air flow? The heat must be sent somewhere and with modDIY new mod, you can lower the overall temperature of your PC. Ducting your CPU heatsink fan will lower overall CPU system temperatures and in general improve your systems performance.
Features: Decreases CPU temperatures. Easy to install. Covers two known sources for heat generation. Good add-on for an overclocked environment. For 8 cm case fan use
9cm to 19.5cm