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Honeywell HPA100 replacement filter
Documented OEM reference: 1 R HEPA filter (HRF-R1 or listed R pack) + A pre-filter
Honeywell's model page identifies HPA100 as requiring one R HEPA filter and one A odor-reducing pre-filter. It says compatible replacements are not guaranteed to offer the same performance or efficiency.
Honeywell official product/support page ↗
Source market: US · Checked 2026-10-19. No stock, price, or seller claim is made. Fit is not filtration performance.
Other models listed for the same part
- Honeywell HPA104
One part listed for several models does not make those purifiers interchangeable.
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Filter Ledger. “US Honeywell HPA100 Replacement Filter”. https://filters.toolatlas.app/en-us/filters/honeywell-hpa100/. Last updated October 23, 2026.