Poor-performing air purifier

March 9, 2012 12:26:41 AM PST
Americans spend more than $500 million on air cleaners each year. But do they really purify the air like they promise? The video spot for LightAir air cleaners promises that they can protect you from dangerous pollutants. Consumer Reports tested the $300 LightAir Ion Flow 50-F Surface, along with more than two dozen other portable air cleaners.