The Pacific G1/4 Pressure Equalizer Stop Plug fitting is made for helping release excess air or pressure in your pump. Finished in chrome/black-plated copper, the G1/4 pressure equalizer plug is designed to install on the top of reservoir, and utilizes leak-free design with a preinstalled O-ring. Enjoy the ultimate in custom PC water cooling configurations with high quality components from Thermaltake. Tt LCS Certified Tt LCS Certified is a Thermaltake exclusive certification applied to only products that pass the design and hardcore enthusiasts standards that a true LCS chassis should be held to. The Tt LCS certification was created so that we at Thermaltake can designate to all power users which chassis have been tested to be best compatible with extreme liquid cooling configurations to ensure you get the best performance from the best features and fitment. Leak-free Design Committed to deliver the highest quality, the fitting includes one preinstalled O-ring and allows proper connection to G1/4” thread, securing properly to any cooling components. Available in chrome and black finishes. Remarkable Expansion Thermaltake 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.