CAPTURE LARGE PARTICLE: Ultra-fine Pre-Filter captures large particles such as dust, lint, fibers, hair, and pet fur, also helpful to maximize the filter's life_x000D_ UPGRADED HEPA SMART TECHNOLOGY: Our H13 True HEPA Filter is safer than medical surgical mask materials and can achieve a better purification effect than traditional general HEPA. It captures of dust and allergens as small as 0.3 microns such as household dust, pet dander, mold spores and plant pollen_x000D_ ELIMINATE HOUSEHOLD ODOR: Activated carbon filter abosrbs the unpleasant pet odors in the air and eliminates household odors without worrying about second-hand pollution_x000D_ WARM MAINTENANCE TIP: You may need to replace your filter earlier or later depending on how often you use your air purifier. Using your air purifier in an environment with relatively high pollution may mean you will need to replace the filter more often_x000D_ _x000D_ Color: White_x000D_ Material: composite material_x000D_ _x000D_ Package Contents:_x000D_ 1 x Air Purifier Filter_x000D_ _x000D_ Only the above package content, other products are not included._x000D_ Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_