EK-FC Terminal TRIPLE Serial is a high quality interconnection for connecting three (3) EK Full-Cover waterblocks in a single, sturdy unit. Connecting multiple graphics cards FC water blocks with awkward fittings and tubing is a thing of a past! The Terminal is made of high quality Acrylic material. There is no need to purchase additional links 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 use with motherboards with PCIe x16 slots 40.6 mm (1.6″) apart!