Before you buy
- Do not extend HPA830W fit to another unlisted Designer model.
- GermGuardian Filter J FLT5900 is a different manufacturer part.
- These manufacturer-listed model codes cover US specifications. Another regional variant needs its own check.
- The Amazon action is a reference search; no exact retail product, seller or pack has been approved.
Find the complete model code
- Read the complete Honeywell model on the purifier label and retain every letter, digit and suffix.
- Match the label with one of the manufacturer-listed US codes on this page.
- Compare HRFJ830, components and quantity on the final merchant listing; the search does not approve the listed item or pack.
Filter and fitting details
- Filter product identifies HRFJ830 for HPA830 and one J filter in the box.
- Purifier page explicitly gives SKU HPA830W and its replacement FAQ names HRFJ830, so W is supported directly.
- The separate pre-filter is HRF-AP1 or HRF-APP1; it is not included in the one-J-filter box.
Manufacturer sources
- Honeywell / Kaz USA — HRFJ830 Type J filter
- Honeywell / Kaz USA — HPA830W replacement-filter FAQ
- Honeywell / Kaz USA — Designer Series required components
Documentation checked Oct 12, 2026 by Codex (manufacturer documentation). We have not physically tested these filters.