The Corsair Hydro X Series XF Hardline Fitting is a high-quality 4-pack of chrome fittings designed for water cooling setups. These fittings have a 14mm outer diameter and are specifically designed by the reputable brand Corsair to provide a secure and reliable connection for your cooling system. With a sleek chrome finish, these fittings are both functional and stylish, making them a great addition to any computer setup focused on optimizing cooling performance.