LifeSupplyUSA 1 HEPA Air Purifier Filter 4 Carbon Filters to fit Fellowes AP 300PH Air Purifier Compare HF 300 1 HEPA Air Purifier Filter 4 Carbon Filters to fit Fellowes AP-300PH Air Purifier Fellowes AP-300PH Air Purifier Filter - Replaces Part # HF-300 True HEPA Filter - Captures 99.99% of particles Helps effectively filter airborne irritants such as smoke, pollen, dust, mold spores, pet dander and fabric fibers. Brand New Individually Sealed - By LifeSupplyUSA