Item Type: Water Tank <br>Outer Diameter of Water Tank: Approx. 4.5cm / 1.8in <br>Size: 3 holes are G1/4 inner thread <br>Accessories: The water tank only contains 2 half hoops (without any joints and water cooling stopper)1、Given that it is with 45 mm diameter tube, which enables to hold more water and speeds up cooling. <br>2、The upper and lower covers are high temperature resistant engineering plastics and the transparent part is acrylic. <br>3、It is because that such a water tank is with practicalilty for long-term attraction, thus, you can feel free to use it. <br>4、Moreover, the upper and lower covers are strong glue seals, and the sealing performance is better than that of ordinary water tanks. <br>5、For tight connection, advanced G1/4 thread is equipped, so that it can be safety and leak-free.Cover is not removable.<div>1 x Water Tank</div><div>2 x Half Hoop</div><div>2 x Screw</div><div>2 x Nut</div>