1Superior to traditional cleaning, uses the siphon principle to vaporize water into 8-25 micron water particles with scrubbing strength. 2Gentle spray does not blow your nose, bringing you a better experience. 3Smooth and burr-free nozzle design is specially designed for the nasal cavity, more reliable and suitable. 4Full coverage of the nasal cavity, can achieve comprehensive cleaning and moisturizing the nasal cavity. 5Fine atomization and noise reduction are comfortable to use, especially designed for children.