The carbon filter removes odors and captures large airborne particulates. Compatible with Fellowes® AeraMax® DX95 Air Purifier. With normal usage, it is recommended that you change your filter every 3 months to keep your Air Purifier running at peak performance. A filter change indicator on your Fellowes® AeraMax® Air Purifier conveniently notifies you when it's time to replace your carbon filter. AeraMax Activated Carbon Filter for Fellowes DX95 Air Purifier 9320801 - Removes Odors, Viruses, Pollen - Non-HEPA Filter - 3 Months Replacement