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Pre-filter and odor reduction layer

Honeywell Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Medium Rooms) HRF-A100 replacement filter

Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Medium Rooms) HRF-A100 fits Honeywell HPA094, Honeywell HPA100, Honeywell HPA3100 and Honeywell HPA5150 according to the cited Honeywell source.

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Official manufacturer Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Medium Rooms) HRF-A100 Check official Honeywell availability Non-affiliate link to the cited official product page.

Quick fit check

Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Medium Rooms) fit and replacement facts

Part numberHRF-A100
Compatible models4
Filter rolePre-filter and odor reduction layer

The cited product page describes HRF-A100 as a 1-year supply kit containing 4 pre-cut Filter A carbon pre-filters, but does not state a fixed replacement cadence.

Compatible Honeywell models

Follow a model link for its complete primary, optional, specialty, and alternative filter list.

Model Filter Part number Role Source Marketplace
Honeywell HPA094 Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Medium Rooms) HRF-A100 Pre-filter and odor reduction layer Honeywell Plugged In Filter A Medium Rooms Pre-Filter Kit Page Check prices
Honeywell HPA100 Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Medium Rooms) HRF-A100 Pre-filter and odor reduction layer Honeywell Plugged In Filter A Medium Rooms Pre-Filter Kit Page Check prices
Honeywell HPA3100 Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Medium Rooms) HRF-A100 Pre-filter and odor reduction layer Honeywell Plugged In Filter A Medium Rooms Pre-Filter Kit Page Check prices
Honeywell HPA5150 Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Medium Rooms) HRF-A100 Pre-filter and odor reduction layer Honeywell Plugged In Filter A Medium Rooms Pre-Filter Kit Page Check prices

Buying checklist

What to check in a filter listing

Confirm that the listing names part HRF-A100 and one of the compatible models: Honeywell HPA094, Honeywell HPA100, Honeywell HPA3100 and Honeywell HPA5150. Similar-looking filters are not proof of fit.

Decide whether you want an OEM or aftermarket filter, then compare the included pieces, product photos, seller details, delivery estimate, and total price.

Care guidance

Replacement schedule

The cited product page describes HRF-A100 as a 1-year supply kit containing 4 pre-cut Filter A carbon pre-filters, but does not state a fixed replacement cadence.

Usage conditions can affect service life. Follow the cited manufacturer guidance for this part.

Compare compatible options

These filters share at least one officially cited model within the same brand, but may serve a different primary or optional role. Check each part page before buying.

Frequently asked questions

How often should I replace the Honeywell Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Medium Rooms) (HRF-A100)?

The cited product page describes HRF-A100 as a 1-year supply kit containing 4 pre-cut Filter A carbon pre-filters, but does not state a fixed replacement cadence.

Which Honeywell models use the Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Medium Rooms) HRF-A100?

According to the official Honeywell product page, Filter A Odor Reducing Carbon Pre-Filters (4-Pack for Medium Rooms) (HRF-A100) fits Honeywell HPA094, Honeywell HPA100, Honeywell HPA3100 and Honeywell HPA5150. Verify the model label on your unit before ordering.

Do aftermarket HRF-A100 filters work?

Marketplace listings may be from the manufacturer or a third party. Match the exact part number HRF-A100, review the listing details, and verify the model label on your unit before buying.

Manufacturer source

The official Honeywell Plugged In Compatible with field lists HRF-A100 for the HPA094, HPA100, HPA3100, and HPA5150 series.

Honeywell Plugged In Filter A Medium Rooms Pre-Filter Kit Page

Source compatibility checked 2026-08-29. Recheck the listing and your purifier label before ordering.