Advanced Filtration Technology: This replacement filter is made of Composite Material that effectively capture tiny particles. Its efficient adsorption capacity ensures that the air you breathe is purified, effectively removing pollutants and . Strong and Material: This filter is heat-, acid-, and -. It remains stable in environmental conditions to long-lasting durability. Optimized Airflow: This filter not only has filtering and adsorption functions, but also promotes smooth airflow to keep your air purifier in optimal operation. It ensures smooth air circulation, keeping your environment fresh and clean. User-friendly Installation: The air purifier filter can be easily replaced without professional tools or skills. The design makes installation quick and easy, and facilitates regular maintenance, saving you time and energy. Compatibility and Efficiency: This filter is specially made for Air Purifier and is suitable for 1, 2, 2S, 2C, 2H, 3, 3S, 3C, 3H models. It combines HEPA and activated carbon filtration technology to provide an excellent air purification experience and improve your indoor air quality. Color:As Shown Material:Composite material Package Contents: 1 * Filter element 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.