The filter needs to be replaced every 3 to 6 months, however, the specific replacement situation needs to be based on the actual use of the filter. If it becomes very black or dirty and is accompanied by odor, the filter needs to be replaced in time.
Note:
1. Please purchase the filter in the official channel;
2. The filter element of the Xiaomi Smart Evaporative Humidifier is a unique model and is not compatible with other products;
3. The humidifier cannot humidify without a filter;
4. The humidifier can still be used after the filter expires, however, in order to ensure the humidification effect, it is recommended to replace the filter before it expires.