
Isinlive HEPA Replacement Filter
Score: 82/100
Sgizoku Honeywell Filter
Score: 78/100Rankings

The Isinlive HPA300 is a True HEPA filter replacement designed for Honeywell air purifiers, featuring pre-cut activated carbon pre-filters and capturing 99.97% of particles down to 0.3 microns. It offers a budget-friendly multi-pack alternative to OEM filters with high CADR ratings. Best for budget-conscious owners of Honeywell HPA300-series purifiers needing frequent replacements in medium rooms.

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.
| Attribute | ![]() | ![]() |
|---|---|---|
9 months | 12 monthsbest | |
465 sq_ftbest | 200 sq_ft | |
320 cfmbest | — | |
99.97 percentbest | 99.97 percentbest | |
| ↓ lower better | 0.3 micronsbest | 0.3 micronsbest |
2best | 2best | |
| ↓ lower better | 1.79 lbs | 0.7 lbsbest |
3best | 2 |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compatibility & Fit(1) | ||
Compatible Models | Honeywell HPA300 Series (HPA100/200/300/5000) | Honeywell HPA-050, HPA-060, HPA-061, HPA-150, HPA-160, HHT-055, HHT-155, HHT-1500 |
Maintenance & Lifespan(1) | ||
Replacement Interval (months) | 9 months | 12 months |
Physical & Packaging(3) | ||
Weight (lbs) | 1.79 lbs | 0.7 lbs |
Dimensions | 10.2 x 6.5 x 1.6 | 4.0 x 5.0 x 3.0 |
Package Quantity | 3 | 2 |
Filtration Performance(3) | ||
Coverage Area (sq_ft) | 465 sq_ft | 200 sq_ft |
Target Contaminants | Dust, pollen, smoke, VOCs, pet odors | Dust, pollen, pet dander, smoke, mold spores, dust mite debris |
Air Changes Per Hour (ach) | 4.8 ach | ach |

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

Professional reviewers note that compatible HEPA filters like those for the Honeywell HPA300 effectively clear PM1 particles in 34-50 minutes at low speeds. They highlight the combined pre-filter and carbon layer's ability to handle larger particles and odors, while noting that three smaller HEPA filters allow for partial replacement.
Everyday users praise the easy installation, perfect fit, and effective odor control in homes with pets or smokers. Recurring positives include the value of multi-packs and the convenience of pre-cut filters without trimming needs.




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.