1. Practicality: This replacement is designed for Xiaomi Mijia Air Purifier 2 2s 3 3c 3h air purifiers, ensuring a perfect fit and providing optimal performance for your device. It is a must-have air purification tool and an indispensable accessory for maintaining a clean and hygienic home environment. 2. Complete replacement: After replacing our composite antibacterial filter, the air purifier can be used normally, ensuring service life and continuous performance. Its sturdy structure prevents rapid wear and tear, making it a reliable choice for daily use, providing replacement parts for efficient purification. 3. Functionality: This replacement filter has the functions of removing haze, odor, formaldehyde and antibacterial. Make sure you have enough replacements to keep your device in optimal working condition for longer. 4. User-friendly installation: This product is designed for easy installation and can be quickly installed in your air purifier. The design meets production standards and is convenient to install. They are designed to fit the model precisely and can be quickly replaced without professional help. 5. Maintenance recommendations: In order to maintain the performance and service life of the air purifier, it is recommended to clean and replace accessories regularly. Capable of optimizing purification efficiency These accessories can ensure that your air purifier operates efficiently and ensures that the air in a certain space is thoroughly and carefully cleaned. Function: Consumables Use environment: Home use Colour:black Material:Composite Materials Package Contents: 1 * 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.