Nanoxia CoolForce LED Fitting for 16/13 mm (G1/4" to 5/8" OD, 1/2" ID) Hard Tubes, Red Draw out the color of your custom water cooling loops without illuminating the entire interior of the case LED ring powered by 3-pin molex cable and dimmable via fan controller Fits 16mm OD, 13mm ID (5/8" OD, 1/2" ID) PETG hard tubes G 1/4 inner thread and sealing ring for computer water cooling The lightning of the tube is very selective and allows you to illuminate only the parts you chose. <a href="https://www.amazon.com/b?node=14770868011"> International products </a> have <a href="https://www.amazon.com/gp/help/customer/display.html/ref=nav_cs_help?ie=UTF8&nodeId=202045290"> separate terms, </a> are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Manufacturer warranty may not apply <a href="https://www.amazon.com/b?node=14770868011">Learn more</a> about Amazon Global Store.