Feature:1. For upper and lower covers with strong glue seals, thus, its sealing performance is better than that of ordinary water tanks.2. For long-term attraction, such a water tank is with practicality,which can be used in confidence in long time.3. While with acrylic transparent part, upper and lower covers are made of high temperature resistant engineering plastics.4. With a 45 mm diameter tube, it can allow the tank to hold more water for faster heat dissipation.5. Such a water cooling device is equipped with advanced G1 / 4 thread for tight connection, which can be safety and leak-free.Specification:Item Type: Water TankOuter Diameter of Water Tank: Approx. 4.5cm / 1.8inWater Tank Size: Approx. 240mm / 9.4inWater Tank Capacity: 336mlSize: 3 holes are G1/4 female threadAccessories: The water tank only contains 2 half hoops (without any joints and water cooling stopper).Package List:1 x Water Tank2 x Half Hoop2 x Screw2 x Nut