High-grade Granular Activated Carbon Filter Physically Absorbs Unwanted Odors and Fume,as Well as Filtering Volatile Organic Compounds, Perfect for Households With Pets, Cooking and Smokers. The HEPA filters help capture up to 99.97% of microscopic particles, 0.3 microns & larger. [Compatibility]for Germ Air Purifiers Models AC4825, AC4825E, AC4825DLX, AC4300BPTCA, AC4850PT, AC4900CA, CDAP4500BCA, CDAP4500WCA. [ Value]You'll get 2 HEPA Filters along with 6 extra Activated Carbon Pre-Filters.Suggested to replace every 3-6 months [High-Efficiency Filter]Grade which meets the High-Efficiency Particulate Air (HEPA) standard. It filters the fine airborne particles such as pet dander, dust , and pollen.Activated carbon filter captures large particles such as dust, lint, fibers, hair, and pet fur, also helpful to maximize the filter's life. High-grade granular activated carbon filter physically absorbs unwanted odors and fume, such as smoke. Material:plastic colour:black Package Contents: 2 x HEPA filters 6 x Activated Carbon Pre-Filters Only the above package content, other products are not included. Note: Light 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.