
Honeywell HRF-U1
Score: 75/100
Funmit HPA300 Filter
Score: 75/100Rankings

The Honeywell HEPA-Type filter is a genuine replacement for HHT270/290 series purifiers, offering dual-layer filtration for allergens and odors. Its main drawback is the frequent four-month replacement cycle and lower particle capture efficiency compared to True HEPA. It is ideal for users of Honeywell tabletop/tower purifiers needing reliable, certified performance.

The Funmit HPA300 is a budget-friendly, third-party HEPA filter replacement designed for Honeywell HPA300 series air purifiers. It offers standard filtration efficiency but lacks the activated carbon and pre-filters included in some OEM bundles. It is best suited for users seeking affordable bulk replacements for large-room purifiers.
| Attribute | ![]() | ![]() |
|---|---|---|
4 months | 4.5 monthsbest | |
99 percent | 99.97 percentbest | |
| ↓ lower better | 2 microns | 0.3 micronsbest |
2best | 1 | |
| ↓ lower better | 0.29 lbsbest | 2.8 lbs |
1 | 6best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compatibility & Fit(1) | ||
Compatible Models | Honeywell HHT270, HHT290 Series | Honeywell HPA100/200/300/5000 series |
Maintenance & Lifespan(1) | ||
Replacement Interval (months) | 4 months | 3-6 months |
Compliance & Safety(1) | ||
Certifications | Honeywell Genuine Certified | Third-party |
Physical & Packaging(3) | ||
Weight (lbs) | 0.29 lbs | 2.8 lbs |
Dimensions | 1.0 x 10.0 x 5.0 | 7.0 x 5.0 x 10.0 |
Package Quantity | 1 | 6 |
Filtration Performance(8) | ||
Filtration Standard | HEPA-Type | HEPA |
Coverage Area (sq_ft) | sq_ft | Large-room sq_ft |
Filtration Efficiency (percent) | 99 percent | 99.97 percent |
Minimum Particle Size Captured (microns) | 2 microns | 0.3 microns |
Filter Stages | 2 | 1 |
Activated Carbon Filter | true | false |
Target Contaminants | Dust, pollen, smoke, pet dander, mold spores, dust mites, VOCs, household odors | Particles, dust, allergens |
Pre-Filter Type | Carbon | None |

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

Professional reviewers highlight the filter's dual-layer design as highly effective for managing both allergens and odors in tabletop and tower purifiers.
Everyday users rate the filter highly, praising its ability to reduce dust, pollen, smoke, and odors effectively.




No professional reviews, editorials, or expert analyses of the Funmit HPA300 appear in available sources. Information is limited to retailer listings confirming compatibility with Honeywell models.
Users of similar third-party filters note that using pre-filters extends HEPA life and provides effective odor reduction.