Practicality: This filter is designed for Air Purifier Pro/1/2/3/2H/2C/2S/3H/3C, ensuring a and easy installation. Please check your air purifier model before purchasing. Advanced filtration technology: The filter is carefully designed to maintain the efficiency of the air purifier, reduce dust and allergen penetration, and improve the air quality in your home. Ideal for families that require high air purity. Environmentally friendly and : The filter is made of materials, which not only supports environmental sustainability, but also ensures that your air purifier runs at optimal efficiency for longer. Basic air purifier maintenance: It is essential to replace old or damaged filter cartridges. air purifier accessories help extend the life of the machine, ensuring that your device is like new every time you use it. Optimize performance through regular replacement: To maintain optimal performance, please replace the filter every 3-6 months depending on usage. Our filter cartridges are easy to remove and install, and are an important part of daily air purifier accessory maintenance. 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.