
Honeywell HRFSP1
Score: 75/100
Sgizoku Honeywell Filter
Score: 78/100Rankings

The Sgizoku Air Purifier Filters are a cost-effective third-party alternative to OEM Honeywell filters, offering True HEPA filtration and activated carbon pre-filters. While they effectively capture 99.97% of particles at 0.3 microns, they lack independent lab verification for their performance claims. Best suited for owners of Honeywell tower purifiers dealing with dust, pollen, and pet dander who want a budget-friendly maintenance solution.

The Honeywell HRFSP1 is an enhanced S-series air purifier filter designed to target pet odors using activated carbon and zeolite. It reduces pet odors up to 3.5x faster than standard filters when used with a pre-filter and HEPA filter in compatible Honeywell units. Ideal for multi-pet households needing faster odor control alongside HEPA filtration.
| Attribute | ![]() | ![]() |
|---|---|---|
3 months | 12 monthsbest | |
— | 200 sq_ftbest | |
— | 99.97 percentbest | |
| ↓ lower better | — | 0.3 micronsbest |
— | 2best | |
| ↓ lower better | 0.53 lbsbest | 0.7 lbs |
1 | 2best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compatibility & Fit(1) | ||
Compatible Models | HPA3100, HPA3200, HPA3300, HPA5100, HPA5150, HPA5200, HPA5220, HPA5250, HPA5300, HPA5350 | Honeywell HPA-050, HPA-060, HPA-061, HPA-150, HPA-160, HHT-055, HHT-155, HHT-1500 |
Maintenance & Lifespan(1) | ||
Replacement Interval (months) | 3 months | 12 months |
Physical & Packaging(3) | ||
Weight (lbs) | 0.53 lbs | 0.7 lbs |
Dimensions | 0.39 x 10.6 x 6.9 | 4.0 x 5.0 x 3.0 |
Package Quantity | 1 | 2 |
Filtration Performance(2) | ||
Filtration Standard | S-series Enhanced | True HEPA |
Target Contaminants | pet odors | Dust, pollen, pet dander, smoke, mold spores, dust mite debris |

Products in the top-left offer the best value (high score, low price).

Manufacturer claims emphasize a 3.5x faster pet odor reduction rate via activated carbon and zeolite, positioning the filter as a customizable enhancement for InSight and PowerPlus series purifiers.
Everyday users commonly praise the filter for making all the difference in managing cat odors when used with HEPA filters.

“These pet odor filters make all the difference... keeping our cat odors manageable”




No direct professional reviews of Sgizoku filters are available. Equivalent Honeywell HRF-H1/HRF-H2 filters are described by retailers as impressive for capturing 99.97% of 0.3-micron particles, with recommendations for yearly changes in allergy-focused sites.
User feedback on equivalent filters highlights effectiveness at reducing dust and pet dander, with praise for easy installation and perfect fit in HPA-050/150 models. Users also note good value in multi-packs.