Honeywell HRF-R1
Score: 85/100
GermGuardian FLT4100 Filter
Score: 85/100Rankings
The Honeywell True HEPA Replacement Filter (HRF-R1) is an OEM filter designed for specific Honeywell air purifier series, capturing 99.97% of particles at 0.3 microns. It requires annual replacement and may necessitate purchasing multiple units per machine, which increases overall cost. Ideal for allergy sufferers owning compatible Honeywell units who prioritize warranty compliance.
The GermGuardian FLT4100 is a genuine combination replacement filter featuring True HEPA filtration and activated carbon to capture 99.97% of particles down to 0.1 microns. It simplifies maintenance by combining pre-filter, HEPA, and carbon layers into one unit, though it carries a premium price. It is best suited for pet owners and allergy sufferers seeking warranty-compliant parts.
| Attribute | | |
|---|---|---|
12 monthsbest | 6 months | |
99.97 percentbest | 99.97 percentbest | |
| ↓ lower better | 0.3 microns | 0.1 micronsbest |
— | 3best | |
| ↓ lower better | 0.25 lbs | 0.2 lbsbest |
1best | 1best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Compatibility & Fit(1) | ||
Compatible Models | HPA-090, HPA-100, HPA200, HPA300 Series | AC4100, AC4100CA, AC4175, AC4175W, AC4150P, AC4150BL, AC4150B, AC4150PCA, AC4150BLCA |
Maintenance & Lifespan(1) | ||
Replacement Interval (months) | 12 months | 6 months |
Physical & Packaging(2) | ||
Weight (lbs) | 0.25 lbs | 0.2 lbs |
Dimensions | 1.65 x 10.32 x 6.69 | 1.5 x 8.25 x 4.62 |
Filtration Performance(3) | ||
Minimum Particle Size Captured (microns) | 0.3 microns | 0.1 microns |
Activated Carbon Filter | false | true |
Target Contaminants | pollen, pet dander, dust, mold spores, smoke, dust mite debris | dust, allergens, bacteria, wildfire smoke, VOCs, pet odors |
Products in the top-left offer the best value (high score, low price).
Professional reviewers and editors lack dedicated reviews for these replacement filters.
Everyday consumers generally praise the filters for working as expected in reducing allergens and providing reliable performance when paired with Honeywell units.
“I did not understand that I needed THREE filters! ... replacement filters will run you more than half the purchase”
Search results do not contain explicit professional reviews or editor evaluations. However, broad retail confidence is indicated by the product being stocked as a recommended genuine replacement at major authorized retailers including Staples, Walmart, Target, Lowe's, and Home Depot. Guardian Technologies emphasizes that using these specific filters maintains product performance and warranty coverage.
Detailed consumer reviews or user testimonials are not available in the provided data. Retailers recommend replacing the carbon filter every three months for optimal odor reduction while the HEPA filter should be replaced every six to eight months depending on usage intensity, suggesting that consumers with high-traffic homes, pets, or smokers may require more frequent replacements.
