True HEPA Replacement Filter is 99.97% effective at capturing particles such as household dust, smoke, pollen, mold spores and cat dander*. This filter has a large surface area providing a long filter life and will last up to 5 years depending on use.

• Fits Honeywell Models 17450 and 43330
• HEPA filter should be replaced every 1-3 years

*from the air that passes through the filter. Overall particle reduction is dependent on many factors, including the amount of air processed, the pollutant type and the pollutants' introduction rate into the environment