1. High quality. 2. High performance with better filtering effect. 3. Healthier. If you don't want your home to be filled with dirty air, you need to clean the air filter. Replacing the filter helps purify the air in the air purifier and makes your life healthier. 4. This is a high - quality air filter that can be used to replace the filter in your air purifier, allowing the air to circulate and be purified. 5. This filter helps block dust, pollen and mold spores in the home. 6. Color: Black + Grey 7. Material: High - Efficiency Particulate Air (HEPA) filter 8. Dimensions: 37.6 x 29.5 x 2 cm 9. Package contents: 1 filter 10. Only the above - mentioned package contents are included, and other items are not included. 11. Note: Light and different displays may cause slight differences between the color of the item and the actual product. The measurement error allowance is +/- 1 - 3 cm.