Optional specialty add-on used with standard HEPA/pre-filters

Honeywell Filter S Pet Odor Reducing Specialty Filter HRF-SP1 replacement filter

Filter S Pet Odor Reducing Specialty Filter (part HRF-SP1) fits Honeywell HPA3100, Honeywell HPA3200, Honeywell HPA3300 and 6 more models, according to the official Honeywell product page.

Official Honeywell fit · checked

Honeywell models that use Filter S Pet Odor Reducing Specialty Filter HRF-SP1

This filter is listed for 9 models. Open a model to see its complete list of primary, optional, and specialty filters.

Official package contents

What's in the box

From the linked official Honeywell product page. Marketplace packs can differ, so compare before you buy.

Filter S Pet Odor Reducing Specialty Filter HRF-SP1

Before you order

What to check in a HRF-SP1 listing

  • The listing names part HRF-SP1. Similar-looking filters are not proof of fit.
  • Your purifier is one of the compatible models: Honeywell HPA3100, Honeywell HPA3200, Honeywell HPA3300 and 6 more models.
  • The pack size and pieces included match what you need. Genuine and third-party filters can differ.
  • The total price with shipping, seller feedback, and delivery estimate work for you.

Care guidance

Replacement schedule

Honeywell recommends replacing specialty Filter S HRF-SP1 pet odor filters every 3 months.

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

Free calendar reminder

Never forget a filter change

Enter the date you installed the filter and we'll make a repeating calendar reminder based on the official replacement schedule.

Filter S Pet Odor Reducing Specialty Filter filter set HRF-SP1

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

Your date is processed only in this browser. The .ics calendar file is generated locally on your device and is not uploaded to this site.

Compare compatible options

These share at least one compatible model but may do a different job, such as a carbon pre-filter or a specialty version. Check each part page before buying.

Frequently asked questions

How often should I replace the Honeywell Filter S Pet Odor Reducing Specialty Filter (HRF-SP1)?

Honeywell recommends replacing specialty Filter S HRF-SP1 pet odor filters every 3 months.

Which Honeywell models use the Filter S Pet Odor Reducing Specialty Filter HRF-SP1?

According to the official Honeywell product page, Filter S Pet Odor Reducing Specialty Filter (HRF-SP1) fits Honeywell HPA3100, Honeywell HPA3200, Honeywell HPA3300 and 6 more models. Verify the model label on your unit before ordering.

Do aftermarket HRF-SP1 filters work?

Marketplace listings may be from the manufacturer or a third party. Match the exact part number HRF-SP1, review the listing details, and verify the model label on your unit before buying.

Official compatibility record

Manufacturer source

The official Honeywell Plugged In Compatible with field lists HRF-SP1 for HPA3100, HPA3200, HPA3300, HPA5100, HPA5150, HPA5200, HPA5250, HPA5300, and HPA5350 series air purifiers.

Honeywell Plugged In Filter S Pet Odor Filter Page

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