Blueair Blue Pure 411 Replacement Filter
Score: 85/100
Levoit Core 300-P
Score: 82/100Rankings
The Blueair Blue Pure 411 Particle + Carbon Replacement Filter is a genuine combination filter designed for the 411 series, utilizing 3-stage HEPASilent technology to remove 99.97% of airborne particles. It effectively traps light household odors and neutralizes allergens within minutes, though it is not ideal for larger spaces or heavy smoke. Best suited for users of Blue Pure 411, 411+, 411 Auto, and MINI air purifiers needing standard maintenance filters.
The Levoit Core 300 Replacement Filter is an official H13 True HEPA cartridge designed for small spaces, capturing 99.97% of particles down to 0.3 microns. It offers reliable allergen and odor removal but lacks specific CADR data and is limited to smaller room sizes. It is best suited for owners of the Core 300/300S seeking genuine OEM replacement parts.
| Attribute | | |
|---|---|---|
6 months | 8 monthsbest | |
323 sq_ftbest | — | |
99.97 percentbest | 99.97 percentbest | |
| ↓ lower better | 0.4 microns | 0.3 micronsbest |
3best | 3best | |
| ↓ lower better | 0.51 lbsbest | 0.88 lbs |
1best | 1best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Compatibility & Fit(1) | ||
Compatible Models | Blue Pure 411, 411+, 411 Auto, MINI | Core 300, Core 300S |
Maintenance & Lifespan(1) | ||
Replacement Interval (months) | 6 months | 8 months |
Physical & Packaging(2) | ||
Weight (lbs) | 0.51 lbs | 0.88 lbs |
Dimensions | 8.0 x 11.1 x 1.9 | 7.48 x 6.3 x 7.48 |
Filtration Performance(4) | ||
Filtration Standard | HEPASilent | H13 True HEPA |
Minimum Particle Size Captured (microns) | 0.4 microns | 0.3 microns |
Target Contaminants | Allergens, VOCs, Odors | Allergens, Smoke, Odors |
Pre-Filter Type | Washable fabric | Non-washable Pre-filter |
Products in the top-left offer the best value (high score, low price).
Professional reviewers from HouseFresh and YouTube highlight the shared HEPASilent filters across the 411 series as a significant advantage, noting their ability to remove 99.97% of pollutants while maintaining quiet operation through less dense filter materials.
Everyday users report seamless integration with compatible units, noting quiet performance and straightforward replacement processes after extended use. Common praise centers on effective allergen neutralization and odor control for pets and dust, with no recurring complaints or major issues reported by customers across retailer platforms.
“Easy swap, remove pre-filter, detach from ring”
“HEPASilent for silent operation (less dense filters via electrostatic/mechanical)”
No direct expert reviews from major publications were found in the research data. Product pages emphasize official authenticity as essential for maintaining peak performance and sustaining 99.97% filtration efficiency, positioning HEPASmart technology as a key enhancement for small spaces.
Feedback is sparse but positive among those who have purchased it. Users praise its effectiveness as a replacement that matches OEM quality.
