Air Purifier High Efficiency Filter for Xiaomi Mi 2/2S/3C/2H/Pro/3H 4/4PRO/4LITE Black, H13 True HEPA, Activated Carbon Replacement Filter

Three-layer 360 ° filter: the 360 ​​° filter has been designed for maximum efficiency Rfid tagging: the mi air purifying filter uses an rfid electronic tag to recognize original filters Main filter: the main part of the filter is made of pet polymer, thanks to which it has a very high resistance to various types of bending, fats, acids and most solvents A real hepa filter: the dense hepa filter allows only clean air to pass through, stopping atmospheric aerosols pm 2.5, pm 0.3, pollen and other respirable particles