HEPA Filter for Living Air Classic Xl-15 and Fresh Air by Ecoquest

With this True Hepa Filter installed on the back of the unit, you get the benefit of quick reduction of large particulates like dust, dead skin, floating dust mites and pollen, allowing your air purifier to work even more effectively. With Hepa Filter installed on the back of your air purifier cleaning of your air purifier is due once every 3 months. Without Hepa Filter cleaning is due monthly.