... remove all kinds of uncomfortable peculiar smell effectively.Features1, Keeps system clean.2, Prevents scale and odors.3, Pleasant cherry fragrance4 ... the usage condition of system, can every 3 to 6 months add 1-2 pieces of Pan Pills.Humidifier Treatment1, Usually, recommend ... clean its filter or gasket from the reservior of the Humidifier Treatment.3, According to the uasge condition of the Humidifer ...