Can Xiaomi Smart Air Purifier 4 be retrofitted?

Solution:

No. There are other third-party purifier accessories to change the way the purifier itself is used, and they cannot be used in combination with purifier products. For example, connect the outdoor air to the purifier Filter through a pipe, or add a humidifier to the air outlet of the machine etc., once the modification is used, it may affect the performance, stability and safety of the product. Therefore, it is forbidden to change the original usage mode of the purifier.