A certain filter may not be placed as it should inside the product. Please make sure to install the filter in the correct order, starting with the innermost filter: composite filter-base.
The indoor humidity is too high, so condensate is formed. Do not place the product in a place with high humidity such as: bathroom, toilet.
There are obstacles around the product that affect the purification effect. (Refer to the instructions for use.)
Check whether it has the function of turning on negative ions, the filtering effect will be better after turning on
The room where the product is in is too large. The recommended room area for this product is about 246 square feet.
