2 Pack HEPA Air Purifier Filter to fit Fellowes AP-300PH Air Purifier - Compare to Part # HF-300,- By Vacuum Savings HEPA Air Purifier Filter to fit Fellowes AP-300PH Air Purifier - Compare to Part # HF-300 Replaces Part # HF 300 fits Fellowes AP 300PH Air Purifier (9370101) Helps effectively filter airborne irritants such as smoke, pollen, dust, mold spores, pet dander and fabric fibers. Brand New Individually Sealed By LifeSupplyUSA