One-piece floating design that is very easy to use; Opening the lid and add slowly soluble chlorine or chlorine particles, and putting it into the pool after adjusting the outlet. The advantage is that effectively purify the water. The top diameter of this dispenser is 5cm (1.97″) and the height is 10cm (3.94″), which allow the chlorine tablet of 1″ can be placed directly, while the chlorine tablet of 3″ needs to be crushed. This are 4 adjustable flow regulating ports at the bottom, so that the flow can be set based on the actual conditions of the water. Made of premium PVC materials which is very durable and corrosive resistant, and it is perfect for various swimming pools, water parks, aquariums, SPAs etc. Large capacity storage (4.96″ x 5.32″ x 1.97″) is designed for ensuring long-term use instead of frequent operation.