The Protium Reservoir Tube by Singularity Computers is a high-quality expansion tank specifically designed for use in water cooling systems. With a length of 100 millimeters and an outer diameter of 60 millimeters, this transparent acrylic tube provides optimal visibility of the liquid level, making it easier to monitor and maintain the cooling system. The tube container is ideal for use in combination with Protium reservoirs and pump tops, ensuring seamless integration into existing systems. The acrylic material used is characterized by its high clarity and durability, offering not only aesthetic advantages but also supporting the longevity of the product. This reservoir tube is an excellent choice for anyone looking for an efficient and visually appealing solution for their water cooling systems.