Practicality: Designed specifically for Xiaomi Mijia 4 Lite Air Purifier. This filter ensures your purifier operates at optimal efficiency, capturing up to 99.97% of airborne particles. Longer Lifespan: The filter is durable and can be replaced less frequently. Enjoy continuous air purification and a healthier home environment without frequent maintenance. User-Friendly Installation: These replacement filters are designed to be simple and install quickly without tools. Easily maintain the performance of your air purifier, ensure continuous operation and keep your space clean. Advanced True HEPA H13 Technology: Harness the power of True HEPA H13 filtration to capture particles as small as 0.3 microns. These filters provide superior air purification, essential for homes with pets, allergies, or heavy pollution. High Efficiency Filtration: Replace your old filters with our True HEPA H13 filters. They effectively capture dust, pollen, smoke, and pet dander to improve air quality. Colour:As Shown Material:plastic Package Contents: 2 * 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.