Winix A Air Filter
Score: 88/100
GermGuardian FLT4850PT
Score: 82/100Rankings
The Winix 115115 is a genuine OEM replacement filter set featuring H13 True HEPA filtration that captures 99.99% of particles down to 0.003 microns. It includes four activated carbon pre-filters for a full year of odor reduction, though the non-washable design and higher upfront cost are notable trade-offs. Best suited for pet owners and allergy sufferers who prioritize maximum filtration efficiency and warranty compliance.
The GermGuardian FLT4850PT is a True HEPA replacement filter with Pet Pure® treatment, designed to capture 99.97% of particles down to 0.1 microns while inhibiting microbial growth. It features an activated carbon pre-filter for odor control but lacks independent certification. It is ideal for pet owners with compatible 22-inch tower purifiers.
| Attribute | | |
|---|---|---|
12 monthsbest | 6 months | |
— | 170 sq_ftbest | |
99.99 percentbest | 99.97 percent | |
| ↓ lower better | 0.003 micronsbest | 0.1 microns |
2best | — | |
| ↓ lower better | 1.1 lbs | 0.35 lbsbest |
5best | 1 |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Compatibility & Fit(1) | ||
Compatible Models | 5300, 5300-2, 5500, 5500-2, 6300, 6300-2, P300, C535, AM90, C909, 9500, 9800 | AC4300, AC4300BPT, AC4820, AC4825, AC4870, AC4900, AC4850PT, AC4880, CCDAP4500, AP2200CA |
Maintenance & Lifespan(1) | ||
Replacement Interval (months) | 12 months | 6 months |
Physical & Packaging(3) | ||
Weight (lbs) | 1.1 lbs | 0.35 lbs |
Dimensions | 16.6 x 14.1 x 2.2 | 1.29 x 15.77 x 4.76 |
Package Quantity | 5 | 1 |
Filtration Performance(5) | ||
Filtration Standard | H13 True HEPA | True HEPA |
Coverage Area (sq_ft) | sq_ft | 170 sq_ft |
Filtration Efficiency (percent) | 99.99 percent | 99.97 percent |
Minimum Particle Size Captured (microns) | 0.003 microns | 0.1 microns |
Target Contaminants | VOCs, Odors, Particles, Allergens, Smoke | dust, pollen, mold spores, pet dander, hair, fur, odors |
Products in the top-left offer the best value (high score, low price).
Professional sources emphasize the genuine component advantage, noting that Winix America's official product page highlights engineered optimization for airflow and particle capture. The True HEPA distinction is a key differentiator, with specifications exceeding competitor claims by capturing particles down to 0.003 microns rather than the standard 0.3 microns.
Users consistently report noticeable air quality improvements and appreciate the convenience of a true one-year supply that reduces oversight. Installation is generally described as easy with clear instructions. However, recurring complaints focus on price point shock regarding original pricing, filter availability issues causing frustration during urgent needs, and confusion over model-specific installation requirements for certain units.
No professional reviewer or editor quotes, scores, or analyses appear in search results; information is limited to manufacturer and retailer specs emphasizing superior filtration over generics.
Limited user Q&A indicates confirmed compatibility and praise for effective pet odor reduction.
