BONECO Demineralization Granule Refills 1 Box
- Easy replacement of the granules of demineralization cartridge 7531.
- For water mist without minerals or limescale.
- 3 Packs of Granules per Box - Enough for 3 granules changes.
- Replace granules every 2 – 3 months, or more frequently in areas with hard water.
- Use: for all BONECO ultrasonic humidifiers except from U7146 Travel.