EK-FC Terminal X3 - Plexi is a high-quality parallel interconnection for connecting three (3) EK Full-Cover water blocks in a single, sturdy unit. Connecting multiple full cover water blocks with such a terminal is an easy and straightforward process. The Terminal is made of high-quality Acrylic material. There is no need to purchase additional links or fittings since the EK-FC Terminal is mounted directly to the water block. Serial and parallel water flow is graphically explained in the installation manual. For closing unused ports on either Serial or Parallel terminals, please refer to EK-FC Terminal BLANK Serial or EK-FC Terminal BLANK Parallel based on the type of connection you need to close. Included: - 1x EK-FC Terminal X3 - Plexi - 2x Plug G1/4 - 1x mounting mechanism (spare Terminal O-ring and spare screw. All other parts are to be reused from the FC Blocks) For use with motherboards with PCIe x16 slots 40.6 mm (1.6\") apart!