The HealthPro® Plus is #1 because it captures what other air purifiers miss - from the stuff you can see floating in the air, down to ultra-fine particles (categorized at 0.1 microns or smaller) small enough to be inhaled and absorbed into your bloodstream

This top-of-the-line air purifier is consistently ranked a best buy and bestseller by industry insiders. The unit combines an outstanding HEPA filtration system with a 2-stage gas phase filter to help you achieve your cleanest indoor environment yet...

This replacement unit contains one Pre-filter element with ASHRAE 85% high accumulation media, 55% efficiency at .3 microns, and 25 sq ft area. This IQAir Pre-Filter element is for use with the IQAir HealthPro units...

The HealthPro features the same advanced micro- and nano-particle filter technologies as the HealthPro Plus, however without the gas and odor filter (V-5 Cell). The HealthPro effectively removes every type of particulate air pollutants, including all common allergens...

Captures airborne particles down to 0.003 microns with a guaranteed minimum 99.5% efficiency.

One of the world's most efficient HEPA air cleaners in its class. Incorporates H12/13 class certified HEPA filter, normally used in multi-million dollar cleanrooms. This certification under the world's most stringent HEPA filter test, European Norm EN 1822, is the basis for this air cleaners' ability to capture up to 100 times more particles than conventional HEPA cleaners...