The Dracaena 6 Pack G1/4" Thread to 12mm OD hard Tubing Compression Fitting is a set of high-quality fittings designed for water cooling systems. Made by greenDracaena, these white fittings feature a 12mm outer diameter and come in a convenient pack of six. With a compact size of 5.12x3.74x0.87 inches and a weight of 0.22 pounds, these fittings offer a secure and efficient connection for your cooling tubing. Additionally, they come with a 30-day money-back guarantee and free fast shipping, making them a reliable and practical choice for your computer cooling needs.