Specially designed for long-term drug delivery, aiming to solve problems such as frequent drug administration and difficulties in lasting drug potency. Put medicine in it, let it float freely in the pool water, beautiful and practical! Features: High quality material: made Made of high quality PP material, tasteless, non-toxic, safe and reliable, it is durable. Flow control port: the adjustable design of 20 flow vents of the controlled flow port. It can adjust the flow rate of the doser according to the actual situation of the swimming pool water. Large storage: 5" large storage box suitable for 1.5" tablets, so you can apply the medicine at a time, the time for long-term use is simpler. Floating design: the applicator floating adopts a floating design, which can float on the water surface after loading the medicine. Applies to: Suitable for swimming pools, hot tubs, spas, outdoor pools and spas. Features: Material: PP Color: blue and white Size: 13 * 13 * 12.5cm / 5.1 * 5.1 * 4.9in Weight: about 100g / 3.5oz Packing List: 1 * chlorine tablet dispenser