Perfect Compatibility: Specifically designed For Mi Air Purifier 5 air purifiers, this replacement filter maintains optimal performance. It matches the old in both function and fit, ensuring your air purifier operates efficiently. Advanced 3-Stage Filtration: This filter features a multi-layer system including a Fine Nylon Preliminary Filter, 13 Grade HEPA Filter, and an Activated Carbon Filter. It effectively traps and reduces pollutants, providing cleaner air. High-Efficiency Performance: Captures up to 99.97% of fine particles and as small as 0.3 microns. It also absorbs odors from pets, smoking, and cooking with its activated carbon layer, enhancing your living environment. Optimal Filter Life: To achieve the best air filtration and purification, replace the filter every 6-8 months. The lifespan based on your local air quality and how frequently the air purifier is used. Product function: Filter dust and other pollutants Recommendation: Replace the product regularly to prevent secondary pollution Color: White Material: composite material Package Contents: 1 x Air Purifier Filters(With chip) 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.