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Honeywell · air purifier

Honeywell HPA100 replacement filter

Use part HRF-R1. Replace every 12 months.

The filter that fits

From the maker's archived page

Honeywell Filter R

Honeywell True HEPA Replacement Filter R

Part number
HRF-R1also sold as HRFR3V3
How many
1 per unitpacks: HRF-R2 (2), HRF-R3 (3)
How often
Replace every 12 months
Size
10.2 x 6.5 x 1.6 in
Buy Filter R on Amazon

Opens an Amazon search for Honeywell Filter R HRF-R1. Check the listing says HRF-R1.

See the sources

Also replace the pre-filter

From the brand's licensed store

Honeywell Pre-filter A

Honeywell Universal Carbon Pre-Filter A

Part number
HRF-AP1also sold as HRFAP1V2
How many
1 per unit
How often
Replace every 3 months
Size
16 x 47 x 0.13 in roll
Buy Pre-filter A on Amazon

Opens an Amazon search for Honeywell Pre-filter A HRF-AP1. Check the listing says HRF-AP1.

See the sources

Does your exact model share this filter?

Honeywell labels several versions of the HPA100. Check the label on your unit.

  • HPA100 takes HRF-R1
  • HPA104 same filter · Licensed store: also 1 R filter
  • HPA105 same filter · Licensed store: also 1 R filter
  • HPA101-TGT not confirmed by Honeywell · Retail suffix variant in search demand; not named on the pages read

Look-alike models that take a different filter

The HPA200 takes two R filters and the HPA300 three.

Other genuine options from Honeywell

Variants and kits the maker sells for this model. Same fit, different media or packaging.

  • Carbon Pre-Filter A For HPA094-100 Series Air Purifiers, 4 Pack
    HRFA100V1 · Find on Amazon
  • HEPA Filter A/R Combo Pack For HPA094-100 Series Air Purifiers
    HRFARVP100V1 · Find on Amazon
  • Household Odor and Gas Reducing Universal Pre-Filter A+ (cut to size)
    HRF-APP1 · Find on Amazon

Sources

Medium confidence: from an archived manufacturer page, a licensed brand store, or a live manufacturer page that names a sibling variant rather than this exact model. Each line is the page we read and the day we read it.

  • Which filter fits web.archive.org Maker's archived page checked Oct 1, 2026
    SKU: HRF-R1 ... Compatible with: HPA094 / HPA100 / HPA200 / HPA250 / HPA300 / HPA3100 / HPA3200 / HPA3300 / HPA5100 / HPA5150 / HPA5200 / HPA5220 / HPA5250 / HPA5300 / HPA5350 / HPA8350 series (honeywellpluggedin.com, Helen of Troy's Honeywell site; live page returns 403, read from the archive.org copy of 2025-06-23)
  • How many honeywellstore.com Brand's licensed store checked Oct 1, 2026
    HPA100 (HPA-100) Air Purifier uses qty 1 of this filter; HPA104 (HPA-104) Air Purifier uses qty 1 of this filter; HPA105 (HPA-105) Air Purifier uses qty 1 of this filter
  • How often honeywellstore.com Brand's licensed store checked Oct 1, 2026
    It is highly recommended that you change a Honeywell Air Purifier R Filter annually
  • Packs honeywellstore.com Brand's licensed store checked Oct 1, 2026
    Honeywell Filter R True HEPA Replacement Filters - 3 Pack, HRF-R3 ... MPN: HRFR3V3
  • About the brand honeywellstore.com Brand's licensed store checked Oct 1, 2026
    HoneywellStore.com ... under license by Honeywell International Inc.
Show all 15 sources

Which filter fits

  1. web.archive.org Maker's archived page checked Oct 1, 2026
    SKU: HRF-R1 ... Compatible with: HPA094 / HPA100 / HPA200 / HPA250 / HPA300 / HPA3100 / HPA3200 / HPA3300 / HPA5100 / HPA5150 / HPA5200 / HPA5220 / HPA5250 / HPA5300 / HPA5350 / HPA8350 series (honeywellpluggedin.com, Helen of Troy's Honeywell site; live page returns 403, read from the archive.org copy of 2025-06-23)
  2. web.archive.org Maker's archived page checked Oct 1, 2026
    SKU: HRF-AP1 ... Compatible with: 10500 series, 10590 series, 11150 series, 12500 series, 13300 series, 13503, 13520 series, 13530 series, 14500 series, 17000 series, 18100 series, 40000 series, 50100 series, 50150 series, 50200 series, 50250 series, 50300 series, HPA090, 100, 200, and 300 series, HPA3000, HPA5000 series models ... 1 pre-filter roll that can be cut to size (archive.org copy of 2025-08-04)
  3. honeywellstore.com Brand's licensed store checked Oct 1, 2026
    Honeywell HRF-AP1, Universal Carbon Pre-filter (Replaces 38002) ... Works with certain Honeywell True HEPA Air Purifiers including: ... HPA100 series, HPA180 series, HPA200 series, HPA250 series ... 'HPA-100 - HPA100 Air Purifier Series: 8 Pre-filters Included' (the count is how many pre-filters one roll yields when cut)
  4. honeywellstore.com Brand's licensed store checked Oct 1, 2026
    Filters Fit Honeywell Console Models: HPA090 series, HPA100 series, HPA200 series, HPA250 series, HPA300 series, HPA3100-HPA3300 series, HPA5100-HPA5300 series and HPA8350 series
  5. honeywellstore.com Brand's licensed store checked Oct 1, 2026
    HA202 (HA-202) Air Purifier uses qty 2 of this filter
  6. honeywellstore.com Brand's licensed store checked Oct 1, 2026
    Honeywell HRF-AP1, Universal Carbon Pre-filter (Replaces 38002) ... MPN: HRFAP1V2 ... HPA300 - HPA309 Air Purifier Series: 2 Pre-filters Included
  7. web.archive.org Maker's archived page checked Oct 1, 2026
    SKU: HRF-AP1

How many

  1. honeywellstore.com Brand's licensed store checked Oct 1, 2026
    HPA100 (HPA-100) Air Purifier uses qty 1 of this filter; HPA104 (HPA-104) Air Purifier uses qty 1 of this filter; HPA105 (HPA-105) Air Purifier uses qty 1 of this filter

How often

  1. honeywellstore.com Brand's licensed store checked Oct 1, 2026
    It is highly recommended that you change a Honeywell Air Purifier R Filter annually
  2. web.archive.org Maker's archived page checked Oct 1, 2026
    use only Genuine Honeywell air purifier filters and replace every 12 months
  3. honeywellstore.com Brand's licensed store checked Oct 1, 2026
    Replace Honeywell Pre Filter A every 3 months
  4. web.archive.org Maker's archived page checked Oct 1, 2026
    use only Genuine Honeywell air purifier filters, and replace every 3 months

Packs

  1. honeywellstore.com Brand's licensed store checked Oct 1, 2026
    Honeywell Filter R True HEPA Replacement Filters - 3 Pack, HRF-R3 ... MPN: HRFR3V3
  2. honeywellstore.com Brand's licensed store checked Oct 1, 2026
    Filter R (HRF-R1 / HRF-R2 / HRF-R3) ... Depending on the purifier model, one, two, or three Filter R cartridges may be required

About the brand

  1. honeywellstore.com Brand's licensed store checked Oct 1, 2026
    HoneywellStore.com ... under license by Honeywell International Inc.