Multiple levels of cleaning include HEPA, Pre-Filter and a Charcoal layer to help improve indoor air quality.True HEPA Filter captures 99.97% of dust and allergens as small as 3 Micrometres such as household dust, pet dander and plant pollens.Charcoal filter reduces common odors from pets, smoking and cooking.Replacement filter for GermGuardian Air Purifier Model AC4100/AC4100CA/AC4150BL,etc.Only one single combination filter needs to be replaced every 6-8 months depending on the use of the product.Colour: blackMaterial: plasticPackage Contents:1 * Filter1 * Filter cottonOnly the above package content, other products are not included.Note: Light shooting 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.
