Hunter 33251 Permawick Humidifier Cool mist humidifier for medium room sizes from Holmes; permanent filter with protection Water tank plastic construction resists shattering; indicator light for filter cleaning Humidifies for 36 hours per 2-1/2-gallon tank; adjustable humidistat for varying moisture needs Wash both the filter and tank in the dishwasher; manual provided Humidifier weighs 9 pounds upon shipping; limited 5-year warranty Cool mist humidifier for medium room sizes from Holmes; permanent filter with antimicrobial protection Water tank plastic construction resists shattering; indicator light for filter cleaning Humidifies for 36 hours per 2-1/2-gallon tank; adjustable humidistat for varying moisture needs Wash both the filter and tank in the dishwasher; manual provided Humidifier weighs 9 pounds upon shipping; limited 5-year warranty