
AprilAire 213 Replacement Filter
Score: 88/100
Levoit Core 300-P
Score: 88/100Rankings

The AprilAire 213 is a MERV 13 pleated replacement filter designed for whole-house air purifiers, capturing allergens and up to 93% of airborne viruses. It features patented Self-Seal Technology to prevent air bypass and an Interlock Rail System for easy installation. Best suited for allergy and asthma sufferers needing whole-house filtration of fine particles.

The Levoit Core 300 Replacement Filter (Pet Allergy version) is a genuine 3-stage filtration replacement designed for Levoit Core 300 series air purifiers. It features an upgraded activated carbon filter enhanced with ARC formula to neutralize pet odors and VOCs, alongside a HEPA-grade main filter. It is best suited for pet owners in small to medium rooms seeking relief from shedding pets and allergy sufferers.
| Attribute | ![]() | ![]() |
|---|---|---|
12 monthsbest | 6 months | |
— | 219 sq_ftbest | |
— | 145 cfmbest | |
93 percent | 99.97 percentbest | |
| ↓ lower better | 0.3 micronsbest | 0.3 micronsbest |
1 | 3best | |
| ↓ lower better | 3.44 lbs | 1.17 lbsbest |
2best | 1 |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compatibility & Fit(1) | ||
Compatible Models | AprilAire Whole House Purifiers | Levoit Core 300 Series |
Maintenance & Lifespan(1) | ||
Replacement Interval (months) | 12 months | 6 months |
Physical & Packaging(3) | ||
Weight (lbs) | 3.44 lbs | 1.17 lbs |
Dimensions | 20 x 25 x 4 | 7.48 x 6.3 x 7.48 inches |
Package Quantity | 2 | 1 |
Filtration Performance(5) | ||
Filtration Standard | MERV 13 | HEPA-grade |
Filtration Efficiency (percent) | 93 percent | 99.97 percent |
Filter Stages | 1 | 3 |
Activated Carbon Filter | false | true |
Pre-Filter Type | N/A | Non-woven fabric |

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

Professional reviewers and editors emphasize the AprilAire 213's MERV 13 efficiency for allergy relief and its Self-Seal superiority over typical 1-inch filters. The manufacturer highlights worry-free performance backed by a Clean-Coil warranty.
There are no verbatim user reviews or recurring consumer feedback themes in the provided data. Descriptions highlight benefits like reduced dusting for allergy sufferers, but no specific anecdotes or durability issues are mentioned by everyday users.




Professional reviewers praise the lab-tested performance of the Levoit Core 300 Pet Allergy filter, highlighting its strong CADR scores across smoke, dust, and pollen categories. Experts note that the upgraded activated carbon content beyond the standard 50 grams excels at capturing allergens and neutralizing odors effectively without requiring separate replacement units.
Everyday consumers rate the product highly for its easy assembly and effective pet deodorizing capabilities. Recurring themes in user feedback include strong odor control and significant allergen reduction, though some users express frustration with the frequent replacement schedule and occasional stock availability issues.