Thermaltake Pacific 1/2'' ID x 3/4'' OD Compression – Black\n\nThermaltake introduces the Pacific Series Compression fittings for the ultimate in custom PC water cooling configurations. Finished in black-plated copper, the compression fitting includes a base barb and quality O-ring with side printed Tt logo. Choose from: 5/8” and 3/4" OD compression size, Thermaltake fittings provide a complete solution for DIY enthusiasts and PC builders by giving users ideal mounting, fitting and flow.\n\nTt LCS Certified is a Thermaltake exclusive certification applied only to products that pass the design and hardcore enthusiasts standards that a true LCS chassis should hold to. The Tt LCS certification was created so that we at Thermaltake can indicate to all power users which chassis have been tested to be best compatible with extreme liquid cooling configurations, ensuring you get the best performance from the best features and fitment.\n\nHigh-flow and Leak-free Design\n\nMade in Taiwan, the fittings allow proper connection to G1/4” ports, securing properly to cooling components while providing an even seal around the tubing. The fittings are available in chrome and black finishes, include one preinstalled O-ring. Use flexible tubing for all your water cooling needs.\n\nFor tubes:\n- Inner diameter: 1/2” (13 mm)\n- Outer diameter: 3/4” (19 mm)\n\nRemarkable Expansion\n\nThermaltake offers a full line of Pacific Series components for enthusiasts to build up aesthetically-superior water cooling systems by incorporating externally-modular upgrades for their chassis.