This new A 250 descaling filter replaces the 7531 N, the 7533 and is suitable for all
type of Boneco ultrasonic humidifier,
Improve the quality of the water in the humidifier with the Boneco Descaling Cartridge A250. The pattern reduces water hardness, absorbs impurities and removes unpleasant odors from the water. This makes the humidifier more pleasant to use and lasts longer. Hard water causes harmful limescale in the device, which can shorten the life span.
The filter lasts for about 6 months. How long you exactly do with the pattern depends on the water hardness in your area. The water hardness is different everywhere. The Boneco Descaling Cartridge A250 comes with a free water test strip to measure the expected life of the filter.