Coway Airmega AP-0512NH Air Purifier Replacement Filter Set, 3 Piece, Black

Keep your Air Purifier with Sound Therapy running efficiently by changing the filters as recommended. This one-year replacement pack includes one HEPA filter (to remove 99.97% of dust and allergens as small as 0.03 microns), plus two carbon pre-filters (to remove gases and odors). The indicator light will tell you when to replace the filters: replace the HEPA filter once a year, and replace the carbon pre-filter every six months. Your room will feel cleaner and smell fresher with regular filter changes.