Tlily - 40 Sheet 28'' x 12'' Electrostatic Filter Cotton,HEPA Filtering Net for Philips Xiaomi Mi Air Purifier

1. Innovative technology: The use of electrostatic filter materials can effectively isolate particulate pollutants larger than 0.2 μm in the air, and the filtration efficiency of 0.5 μm dust can reach more than 95%. 2. Extend filter life: Effectively filter dust, pollen, bacteria and other pollutants in the air, protect the filter elements to reduce pollution. It can effectively extend the life of the purifier filter by more than double, which reduces replacement costs. 3. Improve service life: The pre-filter used in the product's filter elements can effectively increase the service life of the original filter, so that your filter can truly reach the service life specified by the manufacturing brand. 4. Low wind resistance: When the wind speed is 0.5m/s, the wind resistance is as low as 3.5pa, which does not affect the wind speed. 5.Compatible: Filter is compatible with Mi Air Purifier 1/2/Plus, or cut it to a size suitable for air conditioners, windows, electric fans. 1. Filter soot,