Search·Honeywell
Use this page to see which air purifier models take this cartridge, check suggested change timing when we have it, and open retailer links when you’re ready to buy.
Brand
Honeywell
This filter number is linked to the purifier models below in our reference. If yours is listed, open buying options when you’re ready—always match the number on your current cartridge.
HONEYWELL-HRF-R1
HPA100 series True HEPA R filter
Replace about every 12 months
Also known as: HRF-R1
HONEYWELL-HRF-R1 matches models linked on this page. Buying options are shown only when BuckParts has listing evidence checked against this part number.
Why this fits
- 19 compatible models on file for this part number
- Notes available
- Buying options are shown only when the product page matches this filter number. Compare it with your old filter before ordering.
Model lists here reflect what we have on file for this part number—not every unit ever sold.
Where to buy
Shown after BuckParts checks the product page against this filter number (2026-04-23).
Other options
Fits these models (19)
Notes & next steps
Search again if you need a different model or part number.
Size 1 HEPA for compact Honeywell units