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Honeywell HPA8350B replacement filter

Honeywell HPA8350B uses Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Extra Large Rooms) (part HRF-A300) as its primary replacement filter set.

Official Honeywell fit · checked

Same filter, other models

Other Honeywell purifiers that use Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Extra Large Rooms) HRF-A300

Own more than one purifier? These models share the same official part number.

All compatible Honeywell HPA8350B filters

Every part number below is a primary replacement filter for this model.

Filter Part number Type Price
Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Extra Large Rooms) HRF-A300 Pre-filter and odor reduction layer Check price

Price links open sponsored eBay searches for the exact part number.

Before you order

How to buy the right Honeywell HPA8350B filter

  • Confirm the label on your purifier reads HPA8350B.
  • Make sure the listing names part HRF-A300, not just a similar-looking filter.
  • Check the pack size and pieces included. Genuine and third-party filters can differ.
  • Compare the total price with shipping, plus the seller's feedback and delivery estimate.

Care guidance

Replacement schedule

  • Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Extra Large Rooms) HRF-A300: The cited product page describes HRF-A300 as a 1-year supply kit containing 4 pre-cut Filter A carbon pre-filters, but does not state a fixed replacement cadence.

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

Frequently asked questions

What filter does the Honeywell HPA8350B use?

The Honeywell HPA8350B uses Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Extra Large Rooms) (HRF-A300). Each part number on this page is backed by an official Honeywell source.

How often should I replace the Honeywell HPA8350B filter?

The cited product page describes HRF-A300 as a 1-year supply kit containing 4 pre-cut Filter A carbon pre-filters, but does not state a fixed replacement cadence.

Where can I check replacement filters for the Honeywell HPA8350B?

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.

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 A Odor Reducing Carbon Pre-Filters (4-Pack for Extra Large Rooms) HRF-A300

The official Honeywell Plugged In Compatible with field lists HRF-A300 for HPA300, HPA8350B, HPA3300B, and HPA5300B air purifier models.

Source checked
Replacement guidance
The cited product page describes HRF-A300 as a 1-year supply kit containing 4 pre-cut Filter A carbon pre-filters, but does not state a fixed replacement cadence.
Guidance checked

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