ekwb EK-FC680 GTX DCII, manuals:
The ekwb EK-FC680 GTX DCII is a high-performance water block designed for the ASUS DirectCU II version of the NVIDIA GeForce GTX 680 graphics card. To properly install and mount this product, be sure to refer to the detailed Installation And Mounting Manual, which is available for free download from manualshive.com.