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

EASY TO MAINTAIN: Our air purifier filters make using our OVAL AIR air purifiers easy; Pop out the old filter and snap in a new one; Easy-to-maintain filters mean you dont have to conduct any complicated cleaning routines | 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 | Design to fit OVAL AIR1000 Series