Features • Applicable Models: Designed to fit Mi 1, 2, 3, 4, and 2S PRO air purifiers, ensuring effective and seaml integration for optimal performance • Green Appearance: Featuring a sleek green design with dual filter rings, this filter set adds a touch of style while enhancing your air purification system • Triple Filtration System: Equipped with RFID capability, this advanced filter captures 99.9% of dust, pollen, and pet hair as small as 0.3 microns for cleaner air • Activated Carbon Layer: The powerful activated carbon layer effectively absorbs harmful chemicals like formaldehyde, benzene, and ammonia, along with unwanted odors and smoke • High Efficiency Filtration: Includes a High Efficiency Particulate Air layer, delivering superior filtration performance for PM0.3, PM2.5, and PM10 particles, ensuring healthier indoor air Features: 1、Applicable Models: Our air purifier filter is applicable for Mi 1 2 3 4 2S PRO air purifier, practical and helpful. 2、Green Appearance: Our air purifier filter has a green appearance with an inner ring of filter and an outer ring of filter in the kit. 3、Triple Filtration System: This filter has RFID capability, the triple filtration system filters 99.9% of dust, pollen, pet hair, etc. from 0.3 microns. 4、Activated Carbon Layer: The filter uses activated carbon which is the most effective. It can effectively absorb chemicals such as formaldehyde, benzene and ammonia, as well as odors and smoke. 5、High Efficiency Particulate Air: There is also a High Efficiency Particulate Air layer in the filter to make the filtration better. Very high efficiency filtration for PM0.3, PM2.5, PM10 particles. Specification: Item Type: Filter Cartridge Material: High Efficiency Particulate Air, cotton, activated carbon Color: Green Applicable Models: For Mi 1 2 3 4 2S PRO Air Purifier(not suitable for 4 lite) Package List: 1 x Filter Outer Ring 1 x Filter Inner Ring Note: betweendiv>1. It is recommended to replace the filter every 3？6 months, or depending on the use.betweenbetweendiv>2. This product is not suitable for 4 lite.between Package List 1 x Filter Outer Ring 1 x Filter Inner Ring