The average person spends 90% of their time indoors, and the average home is adulterated by cleaning agents, off-gassing of construction materials, flame retardants, pesticides, synthetic fragrances, electrical equipment, textiles & home furnishings. Air Doctor captures 99.99% of particles as small as .003 microns in size, is effective at eliminating microbes, smoke, toxic ozone, pollen, pet dander, and VOCs, all while filtering out pollen, dust, bacteria, viruses, pet dander, mold spores, & smoke. No code needed for up to $300 off your unit.