
IQAir V5-Cell
Score: 92/100
Blueair Blue Signature Large Replacement Filter
Score: 92/100Rankings

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 Signature Large Genuine Replacement Filter is a 7-stage HEPASilent filtration cartridge designed for the Blue Signature Large air purifier. It features OdorFence technology with pelleted activated carbon for superior odor removal and captures at least 99.97% of airborne particles down to 0.1 microns. Best suited for tech-savvy households utilizing app integration and allergy sufferers requiring high-efficiency particle removal.
| Attribute | ![]() | ![]() |
|---|---|---|
24 monthsbest | 9 months | |
— | 3,385 sq_ftbest | |
— | 455 cfmbest | |
99.5 percent | 99.97 percentbest | |
| ↓ lower better | — | 0.1 micronsbest |
— | 7best | |
| ↓ lower better | 2 lbsbest | 3.26 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 Signature Large, SP4i |
Maintenance & Lifespan(1) | ||
Replacement Interval (months) | 24 months | 9 months |
Physical & Packaging(2) | ||
Weight (lbs) | 2.0 lbs | 3.26 lbs |
Dimensions | 13.0 x 13.0 x 5.0 | 9.9 x 2.1 x 15.3 |
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, Smoke, Odors |

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

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 praise the new detachable filter design featuring pelleted carbon, noting it enables top-tier performance that beats previous Blueair models and rivals larger competitors. Experts highlight the low ozone output of 3 ppb, customizable pre-filter options, and the significant jump in CADR performance attributed to the HEPASilent filter and motor combination.
Everyday users commonly praise the quiet operation, effective odor control, and the aesthetic design that allows the unit to blend into home decor. Recurring complaints focus on the need for frequent replacements in polluted areas and some skepticism regarding ionizer byproducts despite manufacturer data.