The HALO-LED™ disperses natural concentrations of gaseous hydrogen peroxide throughout your home, reducing viruses, bacteria, mold spores and odors in minutes. Low levels of airborne hydrogen peroxide are quietly distributed throughout the air-conditioned space so you get the fresh air where you need it. For environmentally conscious people, this solution is truly revolutionary. It saves energy by turning on and off as the air flows through the unit. This also makes the unit last 2.5 times longer than the REME-HALO® In addition, the HALO-LED™ is verified zero ozone.