1. Open the bottom cover of the product and take out the filter cartridge after pulling it off;
2. Take out the additional filter element for replacement;
3. Add the fragrance into the bottom cover
If you don't like the flavored ones, you don’t add fragrant chips.
It is recommended that the product filter element be replaced after every 6-9 months of use.
If the product is not used for a long time, please turn the power-off switch to 0ff.
