Filter Fit FinderHoneywell · air purifier filter
Honeywell Pre-filter K (HRF-K2)
Honeywell Household Odor and Gas Reducing Pre-Filter K. Part HRF-K2. Replace each filter every 3 months. Fits 2 models and their listed variants.
Opens an Amazon search for Honeywell Pre-filter K HRF-K2. Check the listing says HRF-K2.
Fits these models
- Honeywell HFD-120-Q HFD-120From the brand's licensed store
- Honeywell HFD-310 HFD-300, HFD-320From the maker's archived page
Part numbers
- Genuine part
- HRF-K2
- Also listed as
- HRFK2V2
- How often
- Replace each filter every 3 months
- What is in it
- odor and VOC reducing pre-filter (potassium permanganate)
- Size
- 20.0 x 6 x 0.25 in
Sources
- Which filter fits web.archive.org Maker's archived page checked Oct 1, 2026
SKU: HRF-K2 ... Compatible with: HFD-120 / HFD123 / HFD140 / HFD230 / HFD280 / HFD-300 / HFD-310 / HFD-320 / HFD360 ... In the Box: 2 K Pre-Filters (archive.org copy of 2025-01-23)
- How many honeywellstore.com Brand's licensed store checked Oct 1, 2026
Owner's manual HFD30X/HFD31X/HFD32X series, p. 3: 'Please only use one pre-filter in your air purifier at a time ... the Permanent, Washable Pre-Filter or the replaceable Odor & VOC Reducing K Pre-Filter'
- How often web.archive.org Maker's archived page checked Oct 1, 2026
use only Genuine Honeywell air purifier filters, and replace each filter every 3 months
- What's in it honeywellstore.com Brand's licensed store checked Oct 1, 2026
The K Pre-Filters deodorize the air, reducing odors with potassium permanganate calcite
Show all 8 sources
Which filter fits
- web.archive.org Maker's archived page checked Oct 1, 2026
SKU: HRF-K2 ... Compatible with: HFD-120 / HFD123 / HFD140 / HFD230 / HFD280 / HFD-300 / HFD-310 / HFD-320 / HFD360 ... In the Box: 2 K Pre-Filters (archive.org copy of 2025-01-23)
- honeywellstore.com Brand's licensed store checked Oct 1, 2026
The HFD-120-Q uses Replacement Pre-filter K ... Requires 1 K Pre-filter ... HRF-K2 (2 pack)
- honeywellstore.com Brand's licensed store checked Oct 1, 2026
HFD300 (HFD-300) Air Purifier; HFD310 (HFD-310) Air Purifier; HFD320 (HFD-320) Air Purifier
- honeywellstore.com Brand's licensed store checked Oct 1, 2026
Fits Honeywell Air Purifier Models: HFD-120, HFD-123, HFD-140, HFD-230, HFD-280, HFD-300, HFD-310, HFD-320 and HFD-360.
How many
- honeywellstore.com Brand's licensed store checked Oct 1, 2026
Owner's manual HFD30X/HFD31X/HFD32X series, p. 3: 'Please only use one pre-filter in your air purifier at a time ... the Permanent, Washable Pre-Filter or the replaceable Odor & VOC Reducing K Pre-Filter'
How often
- web.archive.org Maker's archived page checked Oct 1, 2026
use only Genuine Honeywell air purifier filters, and replace each filter every 3 months
- honeywellstore.com Brand's licensed store checked Oct 1, 2026
p. 3: 'The K Pre-Filter cannot be washed and should be replaced every 3 months'
What's in it
- honeywellstore.com Brand's licensed store checked Oct 1, 2026
The K Pre-Filters deodorize the air, reducing odors with potassium permanganate calcite