Lennox X8349 - PureAir PCO-12C MERV 11 Annual Maintenance Kit with Insert 17x26x4

Rest assured and breathe easy with the only indoor air quality system that safely removes and destroys odors and chemical vapors. It also reduces concentrations of pollutants through a process called photocatalytic oxidation (PCO) that combines three of nature's most powerful air purifiers; ultraviolet light, titanium dioxide catalyst and hydroxyl radicals