4 PCS Universal Humidifier Tank Cleaner, Warm & Cool Mist Humidifiers, Fish Tank，Compatible with Drop, Droplet, Adorable(Purple)

Perfect Application - The humidifier cleaner fish suitable for most evaporative, ultrasonic humidifiers, cool mist humidifiers, fish tanks and humidifier filters. Just put it in the slot and start working. Excellent Performance - Extend the life of the humidifier filter and keep the water clean, improve the water quality of the humidifier. Note: Check if your humidifier is big enough to fit our fish tank to clean fish. Easy to Use - You only need to put the humidifier cleaner box into the humidifier to keep the water tank clean for longer. It is recommended to use clean fresh water and replace the humidifier cleaner every 30 days. NOTE: One humidifier cleaner fish can be used in humidifier tank that is up to 1 gallon (3.78L) size. Value Package - There are 4 cleaner fishes for humidifying tank in the package. They look cute and float in the fish tank to keep the water clean and reduce your time to clean the fish tank.