HQRP 2-Pack 3-in-1 HEPA Filter Set (4 Filters) suitable with Medify MA-25R for MA-25 MA25 Air Purifier

It is recommended to replace the filters every 3-4 months; 2 weeks DOA replacement warranty!. HQRP® 2-pack Replacement Air Purifier Filter Set (4 filters); Replacement for Medify MA-25R; suitable with Medify MA-25 series Air Purifiers; Three levels of filtration - Pre-Filter for large particles, H13 HEPA Filter and Activated Carbon to remove odor; Foam seal around the filters ensures tight fit in the unit