The Germ Guardian AC5250PT air cleaner accepts the following replacement filters:
The Guardian 3-in-1 Digital Pet Air Cleaning System provides True HEPA air filtration for your home or office. The Germ Guardian air purifier effectively captures 99.97% of airborne contaminants, such as dust, pet dander, mold spores, and pollens, down to 0.3 microns. This air purifier utilizes UV-C technology to kill airborne germs and bacteria and a Pet Pure Filter to remove common airborne odors.
Guardian 3-in-1 Digital Pet Air Cleaning System specifications: