• The whole home media air cleaner permanently traps particles, including airborne contaminants, down to 1 micron (1 millionth of a meter) in size. Particles of less than 6 microns are invisible to the naked eye, and allergy-causing particles and mold spores range from 0.5 microns to 1 micron. • Helps minimize the risk of asthma and allergy attacks • Up to 2 year filter media life • Low static pressure drop • MERV 10 or MERV 13 efficiency rating • 5-year limited warranty