Nispira HEPA Replacement Filter
Score: 75/100
Blueair Blue Pure 411 Replacement Filter
Score: 85/100Rankings
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 Nispira AER1 is a replacement air filter designed for Holmes and Bionaire air purifiers, featuring a two-stage filtration system that combines HEPA technology with activated carbon. It captures airborne particles as small as 0.3 microns while simultaneously removing household odors, smoke, and volatile organic compounds (VOCs). The product is available in various pack configurations to suit different maintenance schedules.
| Attribute | | |
|---|---|---|
6 monthsbest | 6 monthsbest | |
— | 323 sq_ftbest | |
99.97 percentbest | 99.97 percentbest | |
| ↓ lower better | 0.3 micronsbest | 0.4 microns |
— | 3best | |
| ↓ lower better | 0.001 lbsbest | 0.51 lbs |
1best | 1best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Compatibility & Fit(1) | ||
Compatible Models | Holmes HAP242-NUC, HAPF30AT-U4R, CAP531-U, CAP529-U, HAP240, HAP242, HAP412, HAP422, HAP424, HAP706, HAP716, HAP9240, HAP9242, HAP9412, HAP9414, HAP94, Bionaire BAP260, BAP815, BAP9700 | Blue Pure 411, 411+, 411 Auto, MINI |
Physical & Packaging(2) | ||
Weight (lbs) | 0.0006 lbs | 0.51 lbs |
Dimensions | 1.2 x 10 x 4.6 | 8.0 x 11.1 x 1.9 |
Filtration Performance(4) | ||
Filtration Standard | True HEPA + Activated Carbon | HEPASilent |
Minimum Particle Size Captured (microns) | 0.3 microns | 0.4 microns |
Target Contaminants | Cooking smells, smoke, pet odors, VOCs | Allergens, VOCs, Odors |
Pre-Filter Type | Carbon Sheet | Washable fabric |
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)”
