- Designed for Optimal Performance: This filter is manufactured to meet stringent quality standards, ensuring your air purifier operates at peak efficiency. With dimensions of 11.81"x 7.52"x 7.52", please verify your air purifier model number before purchasing. - Cost-Effective Solution: This value pack provides a single unit for year-round air purification needs, offering long-lasting filtration performance. Depending on usage frequency, you may need to replace the filter sooner or later. Using an old filter can significantly decrease your air purifier's efficiency. - True HEPA Technology: Made from premium true HEPA material, this filter utilizes 360° filtration to capture 99.97% of particles as small as 0.3 microns. Enhance your indoor air quality, making it easier to breathe and sleep while reducing allergy symptoms. - Effective Odor Control: The activated carbon layer efficiently absorbs unpleasant household odors, improving the air quality in your home. This filter is a more environmentally friendly option compared to those that require frequent replacements. Use Scenarios: 1. Perfect for homes, ensuring a clean and healthy environment for families, especially those with allergy sufferers. 2. Ideal for office spaces, promoting better air quality for enhanced focus and productivity. 3. Suitable for classrooms, helping to create a healthier learning atmosphere for students.