Honeywell HEPA Replacement Filter R (HRF-R1)
Question: How long should the filter last? HRF-R1 (Honeywell HEPA Filter – 1 pack)
Answer: Depending on operating conditions, the True-HEPA filters should be replaced every 12 months, and the Odor Reducing Pre-Filters every 3 months, especially if there have been heavy odors and particles in the home.
Air Purifier Filters