The Science of Clean Air
Model No. HRF-11 True HEPA filters last up to 5 years and are certified 99.97% effective at capturing these particles* - Household Dust
- Smoke
- Pollen
- Mold Spores
- Cat Dander
Universal Replacement filters fit most Honeywell® enviracaire® round Air Purifiers. Certain Models use one or two Universal Replacement Filters - Purchase the number of filters according to the table below: Air Purifier Series | # of Filters
Required | Replaces HEPA
Filter Model # | 10500 | 2 | 20500 | 10590 | 1 | 20590 | 17000 | 2 | 20500 | 50100 | 1 | 20590 |
Stack multiple filters for larger models. Note: The Universal Replacement HEPA filter may be a different height than the current air filter in your air purifier and may require more than one to achieve the correct height. It has been designed for universal use with many Honeywell® air purifiers. The performance rating of your Honeywell enviracaire® air purifier is based exclusively on use with Honeywell® replacement filters. Installation instructions enclosed. 1-800-332-1110
Made in USA *From the air that passes through the filter. Overall particle reduction depends on many factors including the amount of air processed, the pollutant type and pollutants introduction rate into the environment. | 
