
IQAir V5-Cell
Score: 92/100
Blueair Blue Pure AllergenBlock Replacement Filter
Score: 88/100
Rankings

The IQAir V5-Cell Filter is a genuine Swiss-made replacement gas and odor filter designed for IQAir HealthPro Series air purifiers, featuring a V-shaped design containing 2.5 kg of MultiGas media. It effectively removes VOCs, formaldehyde, and odors via absorption and chemisorption, though the replacement process can be messy due to dust. It is best suited for users with IQAir HealthPro Series purifiers facing high VOCs, formaldehyde, chemical odors, or multiple chemical sensitivity.

The Blueair Blue Pure AllergenBlock Filter is a specialized replacement filter designed exclusively for the Blue Pure 211i Max air purifier. It features an AllergenBlock Defense Coating that neutralizes over 90% of allergen properties and captures 99.97% of particles down to 0.1 microns. Best suited for allergy and asthma sufferers or pet owners in homes up to 674 sq ft needing allergen neutralization beyond basic capture.
| Attribute | ![]() | ![]() |
|---|---|---|
24 monthsbest | 7.5 months | |
— | 674 sq_ftbest | |
— | 410 cfmbest | |
99.5 percent | 99.97 percentbest | |
| ↓ lower better | — | 0.1 micronsbest |
— | 4best | |
| ↓ lower better | 2 lbsbest | 2.15 lbs |
1best | 1best |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compatibility & Fit(1) | ||
Compatible Models | IQAir HealthPro 100, 150, 250, HealthPro Plus | Blue Pure 211i Max |
Maintenance & Lifespan(1) | ||
Replacement Interval (months) | 24 months | 7.5 months |
Physical & Packaging(2) | ||
Weight (lbs) | 2.0 lbs | 2.15 lbs |
Dimensions | 13.0 x 13.0 x 5.0 | 10.0 x 4.7 x 20.7 |
Filtration Performance(3) | ||
Filtration Standard | MultiGas | HEPASilent |
Filtration Efficiency (percent) | 99.5 percent | 99.97 percent |
Target Contaminants | VOCs, formaldehyde, odors, gases, chemicals, pet dander | Allergens, VOCs, Odors |


Professional reviewers lack in-depth independent testing from major outlets, but product claims emphasize the superior efficacy of the Swiss-made MultiGas media for destroying formaldehyde and VOCs.
Everyday users commonly praise the effective elimination of VOCs, odors, and chemical smells, noting the two-year durability as a key benefit. Satisfaction is high regarding odor control in environments with pets or renovations.




Professional reviewers and editors highlight the AllergenBlock filter as a specialized solution for allergy sufferers, emphasizing its ability to neutralize rather than just trap allergens like pollen and pet dander. Editors note that it outperforms original filters in allergen protection while maintaining effective odor control through HEPASilent technology.
Everyday users describe the filter as a game-changer for easy replacement on the 211 series, praising its ability to keep air pure effortlessly. Common themes include reliable longevity and recyclability, though users emphasize the critical need to match the exact purifier model to maintain performance.