Comprehensive Filtration System: This replacement air filter is designed with advanced HEPA technology to trap fine particles and activated carbon to absorb odors and harmful gases, ensuring a cleaner and fresher indoor atmosphere. Wide Compatibility: Perfectly fits for Mi Air Purifier models 1, 2, 2S, 2C, 2H, 3, 3S, 3C, and 3H. Easy to install, it provides a seamless fit and function for optimal performance. Enhanced Air Quality: Ideal for removing dust, pollen, smoke, and any particles as small as 0.3 microns. It effectively enhances indoor air quality, making it suitable for homes, offices, and other environments where is . and Efficient: Crafted to provide maximum efficiency and durability, this filter maintains optimal purifier performance, reducing the need for frequent replacements and ensuring long-lasting use. Color: Gray Material: plastic Package Contents: 1 x Humidifier filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.