How Long Do Honeywell HPA300 Filters Last?

Learn how long Honeywell HPA300 filters last from an expert's perspective! Find out how often you need to change pre-filters, carbon filters & True HEPA filters.

How Long Do Honeywell HPA300 Filters Last?

The HPA300 uses a pre-filter (HRF-AP) and the True HEPA filter (HRF-R) is a 3-pack. The pre-filter should be changed every 3 months and it is recommended to change the HEPA filter every 12 months. On the Honeywell HPA300, you must replace two filters. The unit uses a True HEPA filter and an activated carbon filter.

You should replace carbon filters every three to twelve months, depending on how often you use your HPA300 unit. Speaking of HEPA filters, it is enough to replace them once a year. In general, a HEPA filter needs to be changed every year, pre-filters last 30 days, and carbon filters can last three to six months. Clean permanent filters every three months and replace them if they are damaged.

As for True HEPA filters, it is recommended to change them once every 365 days or 12 months. However, if you maintain your pre-filter properly, the HEPA filter should be changed every 2 to 3 weeks. The Honeywell HPA300 uses two filters that work together to remove harmful and irritating particles from the air, including pollen, dust, tobacco smoke, animal dander, germs, bacteria and mold spores, with nearly 100% efficiency. The pre-filter is the first filter responsible for removing all visible and extra-large particles such as lint, hair, dust and hair.

Depending on the hours of use and the operating speed of the Honeywell air cleaner, the Intelli-Check monitoring system will alert you when it's time to replace the filter. In general, you'll change the pre-filter more often if the air contains a high concentration of contaminants. Once the Honeywell Intelli-Check monitoring system displays a dirty prefilter warning, users are encouraged to replace the pre-filter for optimal and effective air purification. HEPA filters focus on the smallest particles and are often the final step in the filtration process.

Be sure to check the filters and replace them according to the recommended times specified in the owner's manual or when the filter change indicator lights up. With a specially designed fan blade, rubber-insulated motor mount, padded feet and additional insulation, the Honeywell QuietCare air cleaner is quiet and efficient.


certified True HEPA R replacement filter helps capture up to 99.97% of microscopic allergens, 0.3 microns 26% larger than any air that passes through the filter. It is designed so that users can vacuum it twice a year and last in their air purifier for 3 to 5 years.

In conclusion, it is important to keep up with regular maintenance of your Honeywell HPA300. Pre-filters should be changed every 3 months while carbon filters should be changed every three to twelve months depending on usage. True HEPA filters should be changed once every 365 days or 12 months but if you maintain your pre-filter properly they should be changed every 2 to 3 weeks.

Leanne Legorreta
Leanne Legorreta

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