Zalmans creative dimpletype processing technology allows lightness in weight and excellent cooling performance. 2. Pure copperbase material Water Block provides excellent heat transfer and goldplated base prevents corrosion. 3. The lightweight Water Block Cover is made with durable reinforced polycarbonate and is clear providing an internal view of coolant flow. 4. The Connection Fittings each incorporate two different diameters to accommodate various types of hoses and are built together with the Water Block Cover as a single unit utilizing durable reinforced polycarbonate. 5. Compatible with Intel Pentium 4 Socket 775/478 and AMD Sempron/AMD64 Socket 754/939/940 with the use of lengthadjustable clips. Note 1. This VGA water block is a component for water cooling systems for VGAs and cannot be used independently. It must be used with a water cooling system such as ZALMAN"s Reserator 1/Plus/V2/RESERATOR 2 Water Cooling System. Note 2. 1. Test the product for leakage away from the system before installing it on the system. After no leakage is confirmed proceed with installation and use. 2. Use approved coolant for computer watercooling to prevent corrosion. 3. Use coolant tubes listed under the compatibility list. 4. Do not use the product if it interferes with any VGA components.