Medescan Rainbow Mist Humidifer Filter. The Rainbow Mist water filter helps reduce water impurities being disseminated into the mist. The filter needs to be replaced after every 500hrs (3months of 8 hour daily use).
Features:
-Aids in water filtration
-Lasts 500 hours of use (3 months of continuous use)
-Helps reduce water impurities
-Helps reduce water mineral content