DESC: Are smoke, pollen, dust mite detritus, mold spores and pet dander causing your allergies to flair? Indoor air pollution is more of a problem than ever and Hunter HEPAtech® air purifiers are allowing all of us to breathe easier. Hunter purifiers, with their permanently charged HEPAtech® Electret filters are more effective at capturing 99.97% airborne particles and their popular slimline styling allows a unit to be placed flush against a wall or in the corner.