Humidifier Floating Cleaning Fish Tank Cleaning Fish Humidifier Accessories Filter Screen Small Fish Humidifier Water Cleaning Filtration 10PCS Feature: They look very cute floating around in the fish tank, humidifier. These are allowing the water to stay cleaner and less tank cleaning times Work with evaporative, Warm & Cool Mist Humidifiers, Fish tanks ,and well for a humidifier wicking filter. Humidifier Tank cleaner fish have excellent performance, it can extend humidifier wicking filter life and keep the water clean. Improve the water quality of humidifier performance .Prevent objectionable odors & tastes. Humidifier opening should be at least 1.8 inch diameter. Please check the opening of your humidifier whether it is large enough to fit these humidifier cleaner fish. Single size: 6.5x4.5cm Package size of 10pc: 14.5X8.3X10.2cm Package Content: 10x Floating cleaning fish