DUOMISHU HEPA Air Filter Replacement, 4 in 1 True Compatible Purifier A9

Filter air purifier: Highly recommended to use this Duomishu replacement filter to keep your air purifier optimal efficiency and operating capacity and keep the air fresher and cleaner all the time. 5-stage filtration: The initial effect filter, HEPA filter, activated carbon filter, antibacterial filter and negative ion filtration work perfectly at 99.97 to eliminate allergens, bacteria and mites, mold spores, animal hair, smoke of only 0.3 microns and above and filters air pollution from PM2.5, etc. Simple replacement: The filter is easy to replace and arrange without any tools, allowing you to replace your old filter in 1 minutes. Care instructions: When your air purifier filter ages, the efficiency decreases when your air purifier is running, leaving more bacteria and pollutants in the air. Therefore, it is recommended to replace your filters for every 3 months. Full satisfaction: Seal the filters to protect their lifespan. Please remove the plastic packaging of the new filters before placing them in the air purifier. Feel free to contact the professional support team.