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Honeywell HFD-320 replacement filter

Honeywell HFD-320 uses Filter K Gas & Odor Reducing Pre-Filter (2-Pack) (part HRF-K2) as its primary replacement filter set.

People also search for this model as: Honeywell HFD/320, Honeywell HFD 320, Honeywell HFD320.

Honeywell HFD-320 filter match

Pre-filter and odor reduction layer Filter K Gas & Odor Reducing Pre-Filter (2-Pack) HRF-K2
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View part details Official Honeywell source

Cited package contents

Package details below come from the linked official source; recheck it before buying.

Filter K Gas & Odor Reducing Pre-Filter (2-Pack) HRF-K2

All compatible part numbers

All compatible part numbers listed below are primary replacement filters for this model.

Filter Part number Role Source Marketplace
Filter K Gas & Odor Reducing Pre-Filter (2-Pack) HRF-K2 Pre-filter and odor reduction layer Honeywell Plugged In Filter K 2-Pack Page Check prices

Official compatibility record

Manufacturer evidence

Each compatibility and care statement below is reproduced from the cited official manufacturer record. Check the source again before ordering.

Filter K Gas & Odor Reducing Pre-Filter (2-Pack) HRF-K2

The official Honeywell Plugged In Compatible with field lists HRF-K2 for HFD-120, HFD123, HFD140, HFD230, HFD280, HFD-300, HFD-310, HFD-320, and HFD360.

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Replacement guidance
Honeywell sells HRF-K2 as a 2-pack pre-filter set: replace Filter K pre-filters every 3 months.
Guidance checked

Buying checklist

How to choose the right replacement

Match the Honeywell HFD-320 model label and the exact part number above. Marketplace listings can be OEM or aftermarket, and a similar-looking filter may have different dimensions.

Compare the listing title, product photos, included filter pieces, seller details, delivery estimate, and total price before you order.

Care guidance

Replacement schedule

  • Filter K Gas & Odor Reducing Pre-Filter (2-Pack) HRF-K2: Honeywell sells HRF-K2 as a 2-pack pre-filter set: replace Filter K pre-filters every 3 months.

Usage and air quality can affect service life. Follow the cited manufacturer guidance for each part.

Optional calendar tool

Plan your next filter change

Choose a date to download a calendar reminder based on the cited replacement guidance.

Filter K Gas & Odor Reducing Pre-Filter (2-Pack) filter set HRF-K2

The calendar reminder starts 3 months after this date and repeats on that schedule.

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Frequently asked questions

What filter does the Honeywell HFD-320 use?

The Honeywell HFD-320 uses Filter K Gas & Odor Reducing Pre-Filter (2-Pack) (HRF-K2). Each part number on this page is backed by an official Honeywell source.

How often should I replace the Honeywell HFD-320 filter?

Honeywell sells HRF-K2 as a 2-pack pre-filter set: replace Filter K pre-filters every 3 months.

Where can I check replacement filters for the Honeywell HFD-320?

This page links directly to the cited official Honeywell product page and shows sponsored individual eBay listings when a fresh exact-part snapshot is available, with an exact-part eBay search fallback. This site does not sell filters; match the part number and review the current source or seller listing before buying.