
GermGuardian FLT5250PT
Score: 88/100
Coway AP-1512HH Filter
Score: 85/100Rankings

The GermGuardian FLT5250PT is a high-capacity True HEPA replacement filter featuring anti-microbial Pet Pure treatment to inhibit mold and bacteria. It offers 99.97% filtration efficiency at 0.1 microns with a large 13.0 sq ft surface area. It is best suited for pet owners and allergy sufferers needing extended filter freshness.

The Coway AP-1512HH-FP Fresh Starter is a genuine OEM replacement filter pack designed for Coway Airmega AP-1512HH and 200M air purifiers, offering comprehensive maintenance with one True HEPA and two carbon filters. It provides excellent filtration efficiency and odor removal but requires more frequent carbon filter replacements. Ideal for medium-sized rooms up to 1,748 square feet.
| Attribute | ![]() | ![]() |
|---|---|---|
6 months | 12 monthsbest | |
— | 1,748 sq_ftbest | |
99.97 percentbest | 99.97 percentbest | |
| ↓ lower better | 0.1 micronsbest | 0.3 microns |
3best | 2 | |
| ↓ lower better | 0.5 lbsbest | 1 lbs |
1 | 3best | |
— | 1 achbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compatibility & Fit(1) | ||
Compatible Models | AC5250PT, AC5000E, AC5300B, AC5350B, AC5350W, AP2800CA, BXAP250, IAP-GG-125 | Coway Airmega AP-1512HH, 200M, AP-1518R |
Maintenance & Lifespan(2) | ||
Replacement Interval (months) | 6 months | 12 months |
Washable | false | true |
Physical & Packaging(3) | ||
Weight (lbs) | 0.5 lbs | 1.0 lbs |
Dimensions | 1.75 x 19.25 x 4.75 | 13.0 x 0.2 x 15.0 |
Package Quantity | 1 | 3 |
Filtration Performance(4) | ||
Minimum Particle Size Captured (microns) | 0.1 microns | 0.3 microns |
Filter Stages | 3 | 2 |
Target Contaminants | dust, pollen, pet dander, mold spores, odor-causing bacteria | Allergens, Odors, Gases |
Pre-Filter Type | Activated Carbon | Dust |

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

Professional reviewers highlight superior filtration capacity and the key differentiator of anti-microbial Pet Pure treatment for extended freshness.
Everyday users express strong satisfaction with pet dander management and odor reduction, appreciating the extended freshness from anti-microbial treatment.




Professional reviewers emphasize lab-tested filtration efficiency and suitability for allergy sufferers, highlighting the ability to capture 99.97% of particles and eliminate odors.
Everyday users express general satisfaction with ease of installation and noticeable air quality improvements, though some note carbon filters may need replacement sooner in certain environments.