Humidifier Cleaner: The humidifier cleaning fish works in virtually all humidifiers, including the following types of residential humidifiers and vaporizers: Ultrasonic, Cool Mist (impeller), Warm Mist, Evaporative, and Steam Vaporizer. It also works in fish tanks

Eliminates Mineral Build-Up: The Cleaning Cartridge helps to prevent and reduce the white-dust caused by minerals in hard water. This hard-water “dust” can contain calcium, lime, or magnesium

Purifies Water: Simply drop it in the tank, for a fresh, pure mist. Replace the cartridge every 30 days. This humidifier tank cleaning ball contains no harsh chemicals

OUR DEAR CUSTOMERS: If you encounter any quality issues, please don't hesitate to contact our 24/7 Leemone customer service team. We're here to address and resolve any concerns you may have promptly

Note: The opening diameter of the humidifier should be at least 1.8 inches Easy To Use: The size of the humidifier tank cleaning fish is 2.55 x 1.75 inches, just put it in the humidifier tank