[Wide Application]This humidifier tank is not only suitable for humidifiers (ultrasonic, cool mist, warm mist, evaporator and evaporator.), but also suitable for fish tanks and water purifiers.[ Performance]The cleaning box helps prevent and reduce white dust caused by minerals in hard water. Reduce odors and keep your humidifier mist clean.[Easy to ]Just put it in the humidifier to get a and pure mist. This humidifier tank cleaning ball is free of harsh chemicals and is replaced 30 days.[Humidifier Decoration]This "fish" is also a cute decoration for your humidifier. They float and cutely in the tank and add a lot of energy to the humidifier[Note]The size of the humidifier cleaning fish is 4.5 x 6.5cm. The opening diameter of the humidifier should be at least 5cm. Please check your humidifier is enough to fit our fish tank for cleaning.Type: humidifier filtercolor:BlueMaterial:plasticPackage Contents:10 x humidifier filterOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.