Primary replacement filter set
Honeywell Filter Y3 True HEPA Replacement Filter HRFY3 replacement filter
Filter Y3 True HEPA Replacement Filter HRFY3 fits Honeywell HPA4300 according to the cited Honeywell source.
HRFY3
Check official Honeywell availability
Non-affiliate link to the cited official product page.
Quick fit check
Filter Y3 True HEPA Replacement Filter fit and replacement facts
The cited product page does not state a fixed replacement cadence for Filter Y3; the package contains 1 True HEPA filter element.
Compatible Honeywell models
Follow a model link for its complete primary, optional, specialty, and alternative filter list.
| Model | Filter | Part number | Role | Source | Marketplace |
|---|---|---|---|---|---|
| Honeywell HPA4300 | Filter Y3 True HEPA Replacement Filter | HRFY3 |
Primary replacement filter set | Honeywell Plugged In Filter Y3 Page | Check prices |
Buying checklist
What to check in a filter listing
Confirm that the listing names part HRFY3 and one of the compatible models: Honeywell HPA4300. Similar-looking filters are not proof of fit.
Decide whether you want an OEM or aftermarket filter, then compare the included pieces, product photos, seller details, delivery estimate, and total price.
Care guidance
Replacement schedule
The cited product page does not state a fixed replacement cadence for Filter Y3; the package contains 1 True HEPA filter element.
Usage conditions can affect service life. Follow the cited manufacturer guidance for this part.
Frequently asked questions
How often should I replace the Honeywell Filter Y3 True HEPA Replacement Filter (HRFY3)?
The cited product page does not state a fixed replacement cadence for Filter Y3; the package contains 1 True HEPA filter element.
Which Honeywell models use the Filter Y3 True HEPA Replacement Filter HRFY3?
According to the official Honeywell product page, Filter Y3 True HEPA Replacement Filter (HRFY3) fits Honeywell HPA4300. Verify the model label on your unit before ordering.
Do aftermarket HRFY3 filters work?
Marketplace listings may be from the manufacturer or a third party. Match the exact part number HRFY3, review the listing details, and verify the model label on your unit before buying.
Manufacturer source
The official Honeywell Plugged In product specification states HRFY3 is designed exclusively for Honeywell HPA4300 air purifiers.
Honeywell Plugged In Filter Y3 Page
Source compatibility checked 2026-08-29. Recheck the listing and your purifier label before ordering.