- Compatibility: Designed specifically for Blue Pure 211+ and Max Air Purifier models. - Advanced True HEPA Filter: The upgraded True HEPA filter captures 99.97% of airborne particles as small as 0.1 microns, including dust, hair, dander, and lint. Experience superior air purification compared to traditional HEPA filters. - Efficient Activated Carbon: The high-efficiency activated carbon filter effectively absorbs unpleasant household odors from pets, cooking, and wildfires. This ensures a fresh and safe environment for you and your family. - Simple Installation: Changing your 211+ replacement filter is hassle-free. For optimal performance, replace the filter every 6-9 months. No tools are required for installation, making maintenance straightforward. - Practical Applications: 1. Ideal for households with pets, helping to reduce dander and odors. 2. Perfect for kitchens, effectively eliminating cooking smells and smoke. 3. Beneficial in areas prone to wildfires, providing relief from smoke-related odors. This filter enhances the performance of your air purifier, ensuring cleaner air throughout your home.