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

Honeywell Filter T Smoke Reducing Specialty Filter HRFTS1 replacement filter

Filter T Smoke Reducing Specialty Filter (part HRFTS1) fits Honeywell HPA075B, Honeywell HPA080B, Honeywell HPA175B and Honeywell HPA180B, according to the official Honeywell product page.

Official Honeywell fit · checked

Honeywell models that use Filter T Smoke Reducing Specialty Filter HRFTS1

This filter is listed for 4 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 T Smoke Reducing Specialty Filter HRFTS1

Before you order

What to check in a HRFTS1 listing

  • The listing names part HRFTS1. Similar-looking filters are not proof of fit.
  • Your purifier is one of the compatible models: Honeywell HPA075B, Honeywell HPA080B, Honeywell HPA175B and Honeywell HPA180B.
  • 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 HRFTS1 smoke 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 T Smoke Reducing Specialty Filter filter set HRFTS1

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 T Smoke Reducing Specialty Filter (HRFTS1)?

Honeywell recommends replacing specialty HRFTS1 smoke filters every 3 months.

Which Honeywell models use the Filter T Smoke Reducing Specialty Filter HRFTS1?

According to the official Honeywell product page, Filter T Smoke Reducing Specialty Filter (HRFTS1) fits Honeywell HPA075B, Honeywell HPA080B, Honeywell HPA175B and Honeywell HPA180B. Verify the model label on your unit before ordering.

Do aftermarket HRFTS1 filters work?

Marketplace listings may be from the manufacturer or a third party. Match the exact part number HRFTS1, 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 HRFTS1 for the HPA075B, HPA080B, HPA175B, and HPA180B series.

Honeywell Plugged In Filter T Smoke Filter Page

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