Blue 121 Filter Replacement for Blueair 121，Foldable H13 True HEPA Filter and Combination Particle Carbon Replacement Filter - NXBHG Blue Pure

• Blue Air 121 Filter Model: Perfectly compatible with Blue Pure 121 air purifiers Technical Advantages：Blue Pure 121 Replacement Filter adopts a 2-in-1 Filtration System and A New Activated Carbon Distribution Technology. The pre-filter and activated carbon filter can absorb household odors faster and more effectively. High-Efficient Performance: Pre Filters and Activated Carbon Filters Can Absorb Particles In the Air, Such as Pet Dander and Hair, 99.9% Smoke, Odors, and 0.3 Micrometers of Particulate Matter In the Air. Environmental Protection and Easy Installation: Environmentally friendly and recyclable,Easy installation, just replace the old blue air replacement filter. Suggestion: Recommended to replace the filter regularly every 6 months, and use 2-3 blue air replacement filters as backup. When you need to replace and wash the old filter, it will play a great role, which can protect the service life of your air purifier., Manufacturer: NXBHG