POWERFUL UVC: Sterilizes and neutralizes most airborne contaminants with a powerful 16 UV-C 30 watt lamp with an output wavelength of 253.7 NM (EPA#59662-NC-1). BREATH EASY: Neutralizes germs, bacteria, and viruses to promote cleaner air. EASY INSTALLATION: Installs in as little as 15 minutes and comes with parts to attach it to metal or duct board SAFE: Does not produce ozone making it safe for your home. WARRANTY: 10-year limited warranty on the unit and 90 days on the lamp so you know your air will be safe for a long time.