Product details:
Replacement for Honeywell HRF- R1 Air Purifier Filter Specifications: HEPA (High-efficiency Particulate Air) and low-maintenance home air cleaner Filter. Captures up to 99.97% of airborne particles at 0.3 microns from the air that passes through the filter. Filters airborne mites, mold spores, pet dander, smoke and dust. Replace once every year for better performance.