Filter details

Replacement for HRF-R3

Check the fit, understand the replacement, and see the sources behind it.

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Replacement details

Exact filter package identified

Original manufacturer option

Honeywell HRF-R3 · 3-filter pack

Filter inside: HRF-R1

The manufacturer lists HRF-R3 as a package of 3 HRF-R1 filters. Check how many your appliance needs; the package size alone does not confirm appliance fit.

3 filtersIncluded in this package
12 monthsPer filter · Manufacturer’s suggested replacement timing

Before you buy

This package contains 3 filters. It is not automatically a complete filter change for your appliance. Check your appliance model and how many filters it needs; any separate pre-filter is not included unless verified separately.

Why this filter

Size and fit

Honeywell lists cartridge dimensions of 10.2 by 6.5 by 1.6 inches. Matching dimensions alone does not prove compatibility.

How this compares

This is the exact package you searched for, not a suggestion to buy more filters or a Best Value award. Buying a larger pack is not automatically better value. Check how many filters you need before choosing a package.

Filtration tests and details

These records explain which filter results we have checked and what their limits are. The same certification name does not mean two filters work equally well.

What we have verified about filtration

Manufacturer-supported fit does not by itself establish filtration efficiency, odor removal or superiority over another replacement. Those performance claims need their own reviewed evidence for the exact filter and equipment combination.

View sources

These sources explain the fit, features and filter test results described above. They are not retailer price checks.

Kaz USA / HoneywellHoneywell HRF-R1 cartridge identity and careChecked Oct 9, 2026Opens in a new tab.Honeywell Plugged InInSight HPA5000 series manual: R cartridge models and quantities, pages 4 and 7–8Checked Oct 9, 2026Opens in a new tab.Kaz USA / HoneywellHRF-R3 exact three R cartridge packageChecked Oct 9, 2026Opens in a new tab.
Installation and care

Installing the replacement

For the listed InSight models: turn off and unplug the purifier. Remove plastic wrapping and install the R cartridges with red removal tabs facing outward. Refit the separate pre-filter and front grille. Plug in the purifier but leave it turned off. Hold Filter Reset for two seconds; the R-filter light blinks twice and turns off. Do not reset the separate pre-filter timer unless that filter was replaced too.

Caring for the filters

The manual suggests changing R cartridges every 12 months and the separate pre-filter every 3 months; heavy dust or smoke can shorten these intervals. Do not wash, vacuum or immerse these filters.

Where to buy

No verified offer available

We haven’t confirmed a current price and availability for this filter. Shopping comparisons are not available yet.