Humidifier Cleaner Ball, Cleaning Fish Tanks Purify Water Eliminate Dust Peculiar Smell Cleaning BallsFeaturesThe cleaning box helps to reduce the white dust caused by minerals in hard water. This hard water dust can contain calcium, lime or magnesium. Reduce the growth of odor and harmful substances make your humidifier spray clean and reduce the water tank cleaning time. We recommend using two cleaning balls per tank and replacing them every 30 days.Specification: Product size: 12pcsMaterial: plasticColor: bluePattern: ballFit for: cold fog (impeller), warm fog, evaporation and steam distiller, as well as fish tanksPackage Included:12pcs cleaning balls
