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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.

Honeywell HPA8350B filter match

Pre-filter and odor reduction layer Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Extra Large Rooms) HRF-A300
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View part details Official Honeywell source

All compatible part numbers

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

Filter Part number Role Source Marketplace
Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Extra Large Rooms) HRF-A300 Pre-filter and odor reduction layer Honeywell Plugged In Filter A Extra Large Rooms Pre-Filter Kit 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 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.

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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.
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Buying checklist

How to choose the right replacement

Match the Honeywell HPA8350B 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 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.

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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.