High QualityChlorine dispenser is made of high quality PP material, durable, anti-drip, long service life, anti-oxidation, corrosion, you don't have to worry about microorganisms in the water. water that will corrode this thermometer. One package contains 2 pieces of this product to extend your using period. Multi-functionThe built-in thermometer can read the temperature while cleaning the pool. The temperature range that can be monitored is: 30F-120F / 0C-50C. When the temperature rises or falls, the temperature change can be clearly seen from the outside, and the dual temperature unit display is more convenient. Easy to use just open the dispenser and put in the chlorine tablets. The adjustable dispenser can release an appropriate amount of medication over time as the device floats. It can be used in any water storage equipment such as swimming pools, spas, aquariums, etc. Help you clean the pool, away from algae, bacteria and bad smell. Large CapacityLarge capacity design, with different levels of drug dosage adjustment and special physical structure which allows it to be suspended on the surface of the water to deliver the medicine evenly. It can clean the pool more efficiently. It can hold 20 to 25 tablets of one inch tablets; it can be reused, While enjoying clean water, you can have more time to experience happiness.