【Floating easily】: The pool chlorine diffuser can easily float on the surface of the pool to distribute chlorine evenly, without worrying about chlorine levels in your pool. The locking cap keeps the chlorine tablets secure, providing a safer and more enjoyable pool experience. 【Adjustable flow port】: The dispenser is designed with ports on the side to control the amount of chemicals flowing out of the dispenser. You can control the cleaning speed level through the ports according to the actual situation of the pool. 【Easy to use】Just open the lid and slowly add chlorine tablets, and put it in the pool after adjusting the outlet. 【Wide use】: This 5-inch diameter doser works well for in-ground pools, massage tubs, spas, above-ground pools, ponds, etc. 【Built-in thermometer】The built-in thermometer displays temperatures in °F and °C. Since the dosage of chlorine and other pool care products is highly temperature-dependent, the chlorine dispenser has its own thermometer. This pool