Low resistance and smooth operation: Optimized folding density of the filter material ensures a balance of breathability and filtration efficiency, does not increase motor load, operates quietly, and consumes low energy. Easy installation: Intuitive and easy-to-understand design allows for easy installation and replacement in your host machine, saving you maintenance time and effort. Durable materials: The filter material is flexible and not easily deformed, long-term use does not easily cause damage or collapse, maintaining long-lasting stable filtration performance. Specifically designed for corresponding models: After installation, it fits closely with the host machine, the filter does not shift or shake, ensuring smooth operation. Purifier Filter, Compatible For Midea, Air Purifier KJ20FE-NH1/NH2/NH3 Filter KJ200G-D41/C42 Filter Element 310*240*35mm