
Easy to Maintain Replacement Filters
The Pre-Filter A (model HRF-AP1) needs to be replaced every 3 months. The HEPA filter (model HRF-R3) should be replaced once a year. A filter light reminds you when to change the filters and they are easy to replace - no tools required.
To ensure stated product performance, use only Certified Honeywell Replacement Filters.
What is Particle Pollution?
Airborne particles less than or equal to 10 microns in diameter are so small that they can get into the lungs, potentially causing serious health problems.
When inhaled, larger particles (2.5 microns and larger), tend to stay in the upper respiratory tract. Fine particles (2.5 microns or smaller) stay airborne longer than larger, heavier particles which increases the chances of being inhaled. These microscopic particles are considered more harmful because they can move deeper into the respiratory tract.