Official Genuine HY4866 Replacement Filter TRUE HEPA Filter, Four-layer high-efficiency Purification Suitable for WESTHEY HY4866

Please use the official WESTHEY Filter to get the best purification. For best performance and extended life, please use genuine WESTHEY replacement filters. Adopt true HEPA filter. WESTHEY air purifier has four filter layers and added activated carbon particles, which can effectively purify air pollutants. Before using the WESTHEY air purifier, please remove the plastic bags of the HEPA filter on both sides, put the HEPA filter back into the machine and close the back cover before use. We recommend you to replace the filter every 3-6 months.