OVAL AIR H13 True HEPA 2-in-1 Replacement Charcoal Combined Filter with Pre-filter (Set of 2), AIR1000A-F-SET2

H-13 HEPA filters remove 99.9% of dust mites, pollen, mold spores, and pet dander as small as 0.1 microns. With three-stage filtration, a pre-filter traps pet fur, while the charcoal filter absorbs VOCs and odors. Replace OVAL AIR HEPA Air Purifier filters every 3000 hours of operation - for 8 hours daily use, replace filters after one year; for 24 hours daily use, replace filters every 3-4 months Package contains 1 H13 Medical Grade filter For the best air quality, replace HEPA filter every 4 months, activated carbon filter every year Designed to fit OVAL AIR1000 Series